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In your eyes special photoreceptors (rods and cones) that respond to light. Sit As it slowly gets dark, your body produces the sleep hormone melatonin on.

Thanks to this hormone fall asleep, but it can be during the day - in low light - also make sure that you are sleepy. The more light you see during the day,

the more your body makes melatonin at night.
In winter you need than in the summer more sleep. In summer it is slightly longer, so you're more active and less tired. The production of melatonin is also Kyle Leon Fat Loss

later started and it is just more adrenaline and cortical created. This will keep you awake easier.
Blue light
The photoreceptor ports in your eyes are particularly sensitive to the blue part of the light spectrum. The morning light has a lot of blue, so your biological

clock reacts strongly to this light. However, not only natural morning light contains light from the blue spectrum. Also, halogen lamps, televisions, LED

screens, tablets and smart phones produce lots of blue light.
If you're going to send long blue light, before sleeping you make less melatonin and harder you fall asleep. Candles and traditional lighting give more red http://health.revieweds.com/

light and are therefore less impact on your sleep patterns. Yet it is - if you do not sleep - important to dim light. Sleeping in the dark is probably the

best for your sleep.