Changes

===Melatonin supplements===

===Melatonin supplements===

Melatonin supplements has the effect of counteracting the circadian shift caused light. However, they may have adverse effects, such as lengthening sleep and/or n. In the long term , the health effects of supplementing melatonin is unclear. Nevertheless, it can be an effective short-term substitute for dark period to allow for a more stable circadian rhythm and ensure the quality of SWS. They should be taken shortly before sleep.

Melatonin supplements can also counteract the circadian shift caused by light. However, they may have adverse effects, such as lengthening sleep and/or increasing sleep inertia. In the long term , the health effects of supplementing melatonin is unclear. Nevertheless, it can be an effective short-term substitute for dark period to allow for a more stable circadian rhythm and ensure the quality of SWS. They should be taken shortly before sleep.

It is recommended to use as little dose as possible (<1 mg). Most supplements contain doses that are well in excess of the effective dose. Though melatonin has little toxicity, at higher doses the side effects become more pronounced.

It is recommended to use as little dose as possible (<1 mg). Most supplements contain doses that are well in excess of the effective dose. Though melatonin has little toxicity, at higher doses the side effects become more pronounced.