In particular, melatonin appears to reduce the time it takes people to fall asleep (known as sleep latency) and increase overall sleep time (13, 1. In particular, melatonin appears to reduce the time it takes people to fall asleep (known as sleep latency) and increase overall sleep time (13, 1. The impact of tryptophan on sleep continues to be studied in major sleep laboratories across the country. In particular, melatonin appears to reduce the time it takes people to fall asleep (known as sleep latency) and increase overall sleep time (13, 1. The impact of tryptophan on sleep continues to be studied in large sleep laboratories across the country. According to the NIH, melatonin may provide some benefits to people with sleep disorders caused by a problem with the body’s internal clock, such as jet lag. Five tips for a better night’s sleep.
In the late 60s and early 70s, sleep studies suggested that the neurotransmitter serotonin could play a role in sleep induction. In fact, several studies suggest that simply smelling lavender oil just before bed may be enough to improve sleep quality in people with mild insomnia (31, 3).