Melatonin is secreted principally by the pineal gland and mainly at nighttime. The primary
physiological function is to convey information of the daily cycle of light and darkness to the …

This study analyzes the results of clinical trials of treatments with melatonin conducted in
children, mostly focused on sleep disorders of different origin. Melatonin is beneficial not …

Routine exposure to artificial light at night (ALAN) in work, home, and community settings is
linked with increased risk of breast and prostate cancer (BC, PC) in normally sighted women …

Breast-milk contains a potent mixture of diverse components, such as the non-protein
nitrogen fraction which includes nucleotides, whose variation in levels is evident throughout …

Background Although most studies have reported unfavorable short-term effects of
breastfeeding on early-childhood sleep-wake behaviors that potentially attenuate over time …

The circadian system in mammals ensures adaptation to the light-dark cycle on Earth and
imposes 24-h rhythmicity on metabolic, physiological and behavioral processes. The central …

Shift work is commonplace in modern societies, and shift workers are predisposed to the
development of numerous chronic diseases. Disruptions to the circadian systems of shift …

In the present review we summarize the relationship between the amino acid, tryptophan,
the neurotransmitter, serotonin, and the indole, melatonin, with the rhythms of sleep/wake …

Recently, there have been reports that chronic insomnia acts as an insult in the brain,
causing memory loss through the production of ROS, inflammation, and, Alzheimer's …

Circadian rhythms are endogenously generated, daily patterns of behavior and physiology
that are essential for optimal health and disease prevention. Disruptions to circadian timing …