Rapid Onset of Sleep: Melatonin is used by millions of people to fall asleep faster and get a more restful night. Numerous studies show that melatonin can aid the body in its natural ability to fall asleep. Restores Circadian Rhythms for Late Night Shift Workers and those with Jet Lag: Sleep Well helps to relieve effects caused by disruption of your body’s natural sleep cycle or circadian rhythm. Sleep Well aids realignment of the body’s rhythm to its natural state so that you can get back to falling asleep and waking up when you should. This is one of the main benefits and purposes of taking a liquid sleep aid supplement.