Sleep problems and depression are both common and have a high impact on quality of life.
They are also strongly associated and commonly occur together. During the reproductive …

The menopause transition is experienced by 1.5 million women each year and often
involves troublesome symptoms, including vasomotor symptoms, vaginal dryness …

Background Trouble slee** is one of the major health issues nowadays. Current evidence
on the correlation between muscle quality and trouble slee** is limited. Methods A cross …

Today, prolonged wakefulness is a widespread phenomenon. Nevertheless, in the field of
sleep and wakefulness, several unanswered questions remain. Prolonged wakefulness can …

Abstract Study Objective: Most but not all epidemiologic evidence suggests a female
predisposition of insomnia. We applied meta-analytic methods to investigate sex differences …

Previous studies of seasonal effects on sleep have yielded unclear results, likely due to
methodological differences and limitations in data size and/or quality. We measured the …

Sleep deprivation among adolescents is epidemic. We argue that this sleep deprivation is
due in part to pubertal changes in the homeostatic and circadian regulation of sleep. These …

Virtually every eukaryotic cell has an endogenous circadian clock and a biological sex.
These cell-based clocks have been conceptualized as oscillators whose phase can be reset …

Since the discovery of Rapid Eye Movement (REM) sleep in the late 1950s, identification of
the neural circuitry underlying wakefulness, sleep onset and the alternation between REM …

Abstract Study Objectives: Examine age-adjusted odds and racial/ethnic differences in self-
reported difficulties falling and staying asleep and early morning awakening in midlife …