Are You Getting Enough Sunlight? Find Out With SunSprite

Do you spend a lot of time outside? Or very little? How do you know if you are getting all the sunlight you need? SunSprite is a super cool wearable device that measures the amount of sunlight you are being exposed to, letting you know when enough is enough. It's the first solar powered, wearable, light tracker invented by Harvard trained doctors and engineers.


Sun exposure has both positive and negative health effects. It improves our energy, our sleep, our mood, our focus, our eyesight and reduces stress. It is the major source of vitamin D-producing Ultraviolet B radiation which is good for us, possibly even inhibiting the growth of some cancers. It is also said to reduce the risk of seasonal affective disorder, (SAD).

However, long-term sunlight exposure is said to be bad for us, one of the major causes of skin cancer, skin aging, immune suppression and eye diseases such as cataracts. 

It seems that a balance is in order, and avoiding sunburn is always a good idea. But what is a balance?

According to SunSprite, sunlight comes in two parts, Visible, or Bright Light, and UV Light.

Bright light enters our body through our eyes, it doesn't matter if we are fully clothed, or if this light is coming from an iPad. It is good for us, as long as we avoid it late at night. Otherwise it can trick our bodies into thinking it's day time and keep us awake. It has positive effects on Parkinson's, Alzheimer's, depression, sleep disorders, ADHD, stress and more. 

UV light on the other hand is invisible to the human eye, and has no affect on our ability to sleep. This is the light responsible for vitamin D production in the body, along with the majority of the unwanted side effects of sunlight - sunburn, aging, cataracts etc. 

According to research, there are currently no known recommendations on the total safe level of sunshine. There are, however, recommendations for how long we should stay in the sun to get our weekly dose of Vitamin D - ten to 15 minutes of sunshine three times weekly. There are also recommendations on how much Bright light one needs for optimal health. And finally, it's possible to measure the real time UV intensity - the UV index - and give a user recommendations about what precautions to take depending on the strength of ultraviolet (UV) radiation from the sun at a particular place and time.

So that's what SunSpite does. It's dual sensors measure bright and UV light to ensure you are meeting your requirements while warning you against harmful UV rays.

It's solar powered and it uses Bluetooth to sync with your phone so there are no batteries, and no cables. It's magnetic so you can attach it easily to your clothes or bag. It has 10 LEDs, that each represent 10% of your progress, and you can get more in depth information on your smartphone of your sun exposure history. 

SunSprite AppSunSprite App

Are you as interested as I am? Get yours here.