Below you'll find some answers to commonly asked questions

1. What is Circadian Rythm? 

Your circadian rhythm is your body's daily biological cycle coordinated by your internal “biological clock”. The term circadian comes from Latin, circa, meaning "around" (or "approximately"), and diēs, meaning "day". The circadian rhythm governs our sleep-wake cycle and plays a large part in major body functions from hormone release to body temperature. Circadian rhythms are not exclusive to humans and are found in nearly every living creature, from animals and plants to various micro organisms. Our circadian rhythms are regulated by a cluster of nerve cells in the hypothalamus known as the suprachiasmatic nucleus (SCN). This “master biological clock” responds most strongly to light as a cue to set the clock, facilitated by light receptors in the retina of our eyes. Other cues such as activity and certain foods can influence your body clock as well, however light has been shown to be the most relevant. In healthy people this “clock” is reset, primarily by exposure to bright light containing short wavelength energy, in particular between 460-490 nm. Most people would perceive this range of light as “sky blue”. Daylight is naturally strongest at that energy in the morning, weakest in the evening, thus, in absence of electrical lighting, our bodies evolved to be entrained to the 24-hour light/dark cycle of the Earth’s rotation. As part of this entrainment, light signals to the body to suppress the production of melatonin, a hormone that helps prepare humans for sleep. Ideally melatonin levels should be high before going to sleep, and low when active in the morning and during the day. Conventional electrical lighting can mess with this cycle, providing not enough “blue-sky” light during the daytime but too much in the evening. This can result in undesired effects, such as lack of sleep and related health risks. Our HealthE™ lighting is engineered to support the body’s natural melatonin cycle by providing customized spectra for morning and daytime, and others for evenings to let the body prepare itself for sleep.    

2. Who is Healthe Inc.? 

Healthe is the leading provider of circadian and biological lighting solutions whose proprietary line of commercial and consumer products help regulate your body’s circadian clock, boost performance, enhance sleep and improve air quality. Our heritage lies in Lighting Science and NASA scientists who spent decades developing LED lighting technology for biological applications. This technology is now being adopted as part of the standard for human-centric built environments – in homes, schools, offices, senior communities and healthcare facilities.

Healthe Inc. is headquartered in beautiful Cocoa Beach, Florida. Find out more at  Find us on Facebook, Twitter, LinkedIn and Instagram.

3. What types of lighting solutions does Healthe Inc. provide?

We use light as a platform to deliver solutions that help boost productivity and alertness in the day, promote better sleep at night, clean and sanitizes the air and illuminate the environment with high quality light. For us light does not simply serve the purpose of illuminating spaces, but is an essential ingredient of life. It affects our bodies’ circadian rhythm, shapes our perception of objects and has the ability to clean the air that we breathe.

4. What is the science behind the light bulbs?

We have invented LED solutions capable of emitting light across specific spectra, each targeted to eliciting a specific biological response. This technology is already being deployed in the company’s Sleepy Baby®, GoodNight®, and GoodDay™ solutions. Studies have repeatedly shown that light in the 460-490nm, often referred to as “sky-blue” light, inhibits the release of melatonin and that over-exposure to blue light within 90 minutes of bedtime can disrupt sleep patterns.

Conversely, exposure to bright blue-containing light at appropriate times increases alertness and productivity, enhances mood, boosts metabolism, and promotes restorative sleep at night. We now know that traditional incandescent as well as fluorescent lamps (as well as modern electronics and TVs) provide most of us with insufficient blue-containing light during the day and too much of it at night. The results are disrupted sleep patterns and increased fatigue, as well as rising instances of metabolic and hormonal diseases. The Sleepy Baby®, GoodNight®, and GoodDay™ solutions are each designed to emit the appropriate amount of “sky-blue” light at various times of the day within a crisp white to warm candle light color appearance. .

5. What is the difference between HealthE™ series and other lights on the market?

While other lights on the market primarily use only color appearance measured in correlated color temperature (CCT), Healthe Inc. uses patented spectrum-control technology to modulate spectrum specifically designed according to scientific research to boost mood, enhance alertness, productivity and cognitive function as well as to increase the body’s ability to heal itself and sleep better. We incorporate knowledge based on scientific research in the fields of medicine and cognition into our innovative lighting solutions; that is what Healthe Inc. is all about.  

6. What is the effect of the GoodDay® lights? 

What isn’t well known is the light we use to illuminate our offices and homes can affect both our moods and immune systems. Think of our GoodDay® lights as “natural daylight”, immersing working and living environments in a similar light to that produced by the morning sun. As with the sunshine, this light stimulates and promotes an immediate feeling of increased energy.

7. What is the effect of the GoodNight® lights? 

The GoodNight® helps prepare your body and brain for sleep. Even with the warm-white glow, the lack of “sky-blue” light tells your body it’s time to start producing melatonin, the hormone that helps prepare the body for sleep.

8. What is the effect of the Sleepy Baby® lights? 

The Sleepy Baby® has a warm yellow glow that works great as a night light for putting little ones to bed, and it helps babies to develop a natural circadian rhythm. The bulbs emit almost no blue-range light, so late night feedings and diaper changes can happen with minimal disruption allowing everyone to fall back asleep fast. (Note: Please switch off whenever no light is required, and never use traditional lights at night for feedings or diaper changes).

9. Is the technology patented?

In 2015 alone Lighting Science received 35 new patents from the U.S. Patent and Trademark Office (USPTO), increasing their portfolio of issued patents to 366. These new patents – covering the fields of biologically adjusted and corrected lighting, light spectrum control, micro-electric optics, and advances in roadway infrastructure and other lighting fixtures – demonstrate Lighting Science’s leading role in developing and bringing to market HealthE™ lighting solutions using biologically adjusted and biologically corrected spectra designed to improve human health and productivity. We also received patents for inventions that will deliver key advancements in the field of medical care. These patents are related to the phototherapy treatment of various medical conditions, including diabetes, obesity and various vision-related maladies.

10. What is the ideal placement of HealthE lights in my home?

GoodNight® lights are ideal for your bedroom (especially your bedside table) and bathroom as well as any room where you spend time within 90 minutes of bedtime. Sleepy Baby® lights are great for nurseries and for children’s rooms that use night lights (and can certainly be used by adults too). It’s beneficial to have both, so that neither the parent nor child are “triggered” by artificial light which tells their body clocks it is time to wake up and prevents them from falling back to sleep swiftly. GoodDay® lights are great in dedicated bathroom lights to get an extra boost as you get ready in the morning, for desks and spaces in the home and office where people do work, in the kitchen during breakfast, or in the bedroom in dedicated “wakeup” lamps, so that when you flick the lights on in the morning the room floods with the spectrum of the sun and you are ready to go.  

11. How can the GoodDay® technology help my workplace environment?

Many businesses don’t yet take biological lighting into account when creating workspaces. Few are aware of the profound effects it can have, not only on people’s moods, but also on their energy, focus and long-term wellbeing. While blasting holes in the walls to install more windows is probably not an option for most business, you can mimic natural daylight and combat those midday blues with our GoodDay® solutions. Our GoodDay® solutions emit a focus enhancing spectrum to boost your body’s natural alertness.

12. How long does it take for me to feel an effect from the lights?

With the GoodDay® lights some effects can be felt immediately. The GoodNight® and Sleepy Baby® lights work in a subtler manner; you are still able to conduct evening activities and chores with the light output it provides but your natural biological rhythm stays intact. The lack of blue light spectrum tells your circadian clock, brain and body that the sun has set, and then your body begins to release melatonin and other hormones that ease us to sleep and help us heal and rejuvenate while asleep.

13. Is being under GoodDay® lights too long dangerous?

The GoodDay® light gives off no UV rays--it’s not harmful! The increased sky-blue energy in the light spectrum (while providing a crisp white glow) encourages cognitive functioning and positive impact on energy and focus, mimicking those of daylight. Normally we are exposed to daylight from 10-12 hours a day. However, if you are pulling an all-nighter, then the GoodDay® light can also help you stay alert, just as a cup of coffee might, but without the crash. There is no harm in extended exposure to the light, but we encourage users to combine usage with the GoodNight® lights to maintain a healthy circadian rhythm.

14. What happens if GoodDay® and standard lights are used at the same time?

The more exposure and proximity you have to the GoodDay® light the stronger the effects are going to be. While many environments may have multiple sources of light, from LED track lighting, to sunlit windows, to fluorescents – the GoodDay® lights are going to give you the most consistent and positive effect on mood, energy and cognitive functioning. Additional standard lights are not diminishing the positive impact of the GoodDay® lighting.

15. What happens if GoodNight® and standard bulbs are used at the same time?

The benefits of the GoodNight® lights are maximized when they are the only lights in the room. Anytime you pick up and stare into your phone or tablet, or flip on a standard bedside table lamp, you are exposing yourself to a spectrum of light that should not be experienced during the evening and nighttime. This can, in certain doses, confuse your circadian rhythm and tricks your brain into thinking it is daytime and should stay awake. The less exposure you have to this type of light the better. The GoodNight® lights are a pre-sleep and nighttime ‘bathroom break’ solution, complete darkness is recommended during sleep.

16. What if I use GoodDay® lights at home but then have standard lights in my office?

GoodDay® effects are based on exposure. So while the GoodDay® lights are a great way to start your day and entrain your circadian rhythm– flipping them on in your bathroom, bedroom or kitchen can really give you an early morning charge - standard office lighting with little exposure to direct sunlight, will not sustain these effects. If your office has a standard lighting solution, consider a task lamp with a GoodDay® lamp.

17. How long do these lights last? 

These lights are rated for a minimum of 20,000 hrs. On average these lights last up to 20 years, and use 70-80% less energy as a regular incandescent light.

18. When should I turn off my GoodDay® light?

Ideally 3+ hours before bed you should switch from GoodDay® to GoodNight® lights

19. When should I turn on my GoodNight® light?

3+ hours before bed you should switch from GoodDay® to GoodNight® lights. However, even 30-60 minutes before sleep can help!

20. How do the GoodNight® and Sleepy Baby® lamps work?

The GoodNight® and Sleepy Baby® Lamps have been designed to help promote sleep by allowing your body’s natural production of the hormone melatonin. Thus, preparing the body for sleep and regulating the body’s natural circadian rhythm. In order for the GoodNight® or Sleepy Baby® lamps to do their job in helping relax the body, we recommend that other sources of electrical blue light, such as the television, computer and smart phones which can stimulate the body and inhibit sleep, are eliminated during their use.

21. Do I need to leave the Sleepy Baby® or GoodNight® lamp on all night?

It is recommended that the Good Night® or Sleepy Baby® lamp be used for as much as 3 hours before bedtime and then shut off when ready to sleep.

22. Can I use the GoodNight® lamp while I watch TV?

The GoodNight® and Sleepy Baby® lamps have the most influence when there is no interference from other sources of blue light such as television, computer and smart phone.

23. Does Healthe Inc. offer any products for people who react or are bothered by the flicker of fluorescent light?

Healthe’s LED lamps do not exhibit the flicker often associated with traditional fluorescent and compact fluorescent (CFL) lamps.

24. Does the GoodNight® lamp help someone stay asleep all night or just fall asleep faster?

The GoodNight® LED Lamp has been designed to help promote sleep by allowing the body’s production of the natural hormone, melatonin, preparing the body for sleep and regulating the body’s natural circadian rhythm.

25. What is the best way to use the GoodNight® or Sleepy Baby® bulb?

It is recommended that the GoodNight® or Sleepy Baby® lamp is used for two to three hours before bedtime and then shut off when ready to sleep.

26. Does the Sleepy Baby® come in a nightlight-sized lamp?

The Sleepy Baby lamp comes in a P15 form factor with an E26 base (Edison base) which is not compatible with most nightlights on the market that use an E12 base.

27. Which lamp would you suggest for Seasonal Affective Disorder (SAD)?

To assist those who are afflicted with Seasonal Affective Disorder, we offer our GoodDay® lighting products which are designed to boost energy, focus and mood, promote alertness, and enhance performance.

28. Can I use the GoodNight® or Sleepy Baby® bulb in an enclosed fixture?

The Sleepy Baby® and GoodNight® lamps can be used in fixtures that are not fully enclosed. Enclosed fixtures have no air flow and will degrade the life of LED element, void the manufacturer’s warranty and are therefore not recommended for use with LED lamps.

29. Can I use the HealthE™ bulbs and fixtures outside?

Some of our bulbs are suitable for damp or wet locations and could be used outside; see product information for more details. However, we ask that you do not use any of our products where directly exposed to water.

30. Can the Sleepy Baby® bulb be used for adults?

Absolutely. The Sleepy Baby® bulb is also beneficial to adults as a night light, for example in your bedroom and bathroom.

31. What type of light fixtures should I use with the light bulbs?

Enclosed light fixtures should not be used. But your everyday household table lamps, ceiling fixtures or wall fixtures will work fine. We suggest that you use a light fabric shade for ultimate exposure. 

32. What is the difference between your HealthE™ bulbs and incandescent lightbulbs?

An incandescent lightbulb contains a wire filament being heated and has a very distinct light spectrum and characteristic that cannot be altered. Incandescent bulbs come in all shapes and forms and have been around since the 19th century. Our HealthE™ lights use advanced LED technology and are specialty engineered using a customized light composition to support human health, performance and wellbeing.

33. What is the difference between your HealthE™ bulbs and fluorescent lightbulbs?

A fluorescent lightbulb contains has a very distinct light spectrum and characteristic, they contain mercury and typically don’t dim well.

Our HealthE™ lights use advanced mercury-free LED technology and are specialty engineered using a customized light composition to support human health, performance and wellbeing.

34. What is the difference between your HealthE™ bulbs and conventional LED lightbulbs?

Conventional lighting is optimized for visual performance; light needed for our visual system is different from light needed to support our circadian rhythms. Our HealthE™ lights use advanced LED technology and are specialty engineered using a customized light composition to support human health, performance and wellbeing as well as visual performance.

35. What is the difference between your HealthE™ bulbs and color changing lightbulbs?

Most color changing bulbs require a wireless lighting system and set-up.  The GoodDay® and GoodNight® bulbs will work with your existing fixtures and switches. In addition, the HealthE™ bulbs use advanced LED technology and are specialty engineered to support human health, performance and wellbeing using a customized light composition that cannot be achieved by typical color-changing light bulbs.

36. Do you have case studies on your HealthE™ LED lighting solutions?

Healthe Inc. has a proud history with our circadian  solutions: We have supported NASA in designing biological lighting for astronauts on the ISS to stay healthy and entrained to a natural circadian rhythm. We also have helped Olympians and Major League Baseball and Basketball players perform and win on a world stage. Today we are involved in implementing solutions in healthcare facilities (improving staff and patient health and safety), classrooms (improving performance and health for students as well as teachers), and high performance workplaces (improving health and productivity)—to name only a few—to demonstrate how our HealthE™ solutions lead to better health and increased human performance and potential.  Please see more in the case study section on our website, or contact us to discuss our latest research and how we can help your particular needs.

37. What is the difference between CCT and spectrum?

White light is a blend of light at different wavelengths of the visible spectrum; white daylight contains all seven colors of the rainbow; white electrical lighting can be mixed using either many colors or only a few, using the primary colors red, green and blue. White light often skews either toward warm, amber shades, or cool, bluish shades. This color appearance of cool-ness or warm-ness of white light is measured as “Correlated Color Temperature” (CCT) in degrees Kelvin (K). Warm, red-amber-skewing light, for example, corresponds to a CCT of below ~2800 K. Whereas a cool light will be perceived above ~5500 K. Light between 3200 K – 4500 K is considered neutral white. Yes, the higher the Kelvin, the cooler the hue, similar to an open flame which is bluish where it is hottest.  

Careful, two white lights from different manufacturers that have the same CCT will not necessarily look the same in color. For example, 2700K lamps can look orangey-white or pinkish-white or reddish-white but still have the same CCT.

Spectrum, on the other hand, refers to the distribution of wavelengths emitted by a light source, typically measured in the visible range from 360 nm – 780 nm. Light energy in particular distinct wavelength regions, when seen falling on a white wall, appear to us in a particular color. For example, light in the rage of about 495 – 570 nm looks to most people green; light in the range of 460-490 nm will look blue. This just so happens to be the range that our circadian and biological system is most sensitive to, possibly because we evolved under blue-rich sunlight. Just in case you don’t know what a nanometer is, it’s microscopically small. In effect, these wavelengths determine the type of radiant light energy permeating a given space.  Color is a perception: light, an object that it shines on and the eye and brain are all needed to be able to construct and perceive color. Animals see color differently than we humans do, some animals see more colors than we do, some less when looking at the same scene. The spectral composition of a light source is called the spectral power distribution (SPD). The broader and fuller the SPD of a lamp, the better its capability to render objects of a variety of surface colors.

With the naked eye, you typically won’t be able to distinguish the specific spectrum of colors radiating from a white light. The colors mix together to create white light; the eye cannot make out the exact composition. Therefore, lamps can look equivalent in color or white, but have very different spectral compositions and are mixed with different wavelengths. While your eye might not distinguish if ‘sky-blue’ energy is included in the light, your body will. Engineering the correct light spectrum (SPD) for appropriate biological impact is much more important than just paying attention to a light’s CCT. Lamps with the same CCT can not only look different, as mentioned above, they can also have a substantial difference in biological impact.

38. How can HealthE™ lighting solutions be applied in a healthcare facility?

GoodDay® & GoodNight® solutions offer health and performance-optimized spectra of light in line with the needs of the application.  When a patient needs to get restorative sleep, but they want to read, visit with family members, or be treated by a healthcare practitioner, the GoodNight® light is perfect to allow the natural release of melatonin, and allow the patient to drift off to sleep.  During the day, the spectrum shifts to the GoodDay® light to entrain the patient’s (and practitioners’) circadian rhythms. Spectra of light similar to the light emitted by the morning sun has been shown to significantly decrease recovery times. For medical staff, doctors and nurses, GoodDay® lighting solutions support alertness, focus, to performance at the highest level to minimize errors.

39. How can HealthE™ lighting solutions be applied in a work environment?

GoodDay® lighting solutions provide a spectrum of light optimized for cognitive functioning, performance, boosting mood and energy, while enhancing alertness and focus. The added bonus is that these HealthE™ lighting solutions will help entrain employees’ circadian rhythms and drive improvements in sleep and overall health. This can be further enhanced by providing employees with GoodNight® lights for their home to achieve restorative sleep after their workday is done.

40. How can HealthE™ lighting solutions be applied in an educational facility?

GoodDay® lighting solutions support mood, focus and alertness while maintaining a crisp white hue. Use of GoodDay® lighting throughout the day promotes focused learning. This lighting supports students in their need to perform and learn effectively. These GoodDay® lighting solutions in the classroom will also help teachers to stay more energized, more engaged, and satisfied with their crucially important jobs educating the future leaders of society.  In addition, GoodNight® lights are perfect for both students and teachers in their homes to promote healthy, restorative sleep needed for memory retention.

41. How can HealthE™ lighting solutions be applied in hospitality?

To enhance the guest experience, particularly with respect to promoting wellness, relaxation, and healthy sleep, we recommend using GoodNight® lights in all guest rooms, especially in bedside lamps.  In common areas that are primarily frequented during the day, GoodDay® lights should be used. These areas include recreational facilities, workout rooms, business centers, and back-of-house areas where employees work.  Public areas, including hallways, lobbies, restaurants and bars, and other spaces that may be occupied within 2 hours of guests going to bed, should ideally use 2-channel solutions to enable healthy functioning of circadian rhythms – longer, deeper, and more restorative sleep at night as well as a boost to mood and energy during the day. 

42. As a distributor/store owner who is interested in selling your products, who should I contact?

Healthe Inc. is always interested in speaking with potential partners in the promotion and sale of our innovative products. Interested parties should submit inquiries to

43. I ordered my lamps but have not received any confirmation or tracking number. What should I do?

Order confirmations and tracking numbers are typically sent within two working days of the purchase. If two working days have passed and you have not received any information, then you should contact customer service at

44. Do you ship to destinations outside of the United States?

Healthe Inc. does ship to certain international destinations. For your specific needs, please send a detailed request to