Summary of Sleep
Primary Information, Benefits, Effects, and Important Facts
Supplements that affect sleep may act by altering the time it takes to fall asleep (sleep onset latency), the duration of continuous sleep (sleep disturbances), or the restfulness of sleep (sleep quality).
Supplements for these purposes may directly initiate sleepiness, such as melatonin; have an effect on stress and anxiety, such as valeriana officinalis; or make sleep deeper and more restful, such as glycine.
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Frequently Asked Questions and Articles on Sleep
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