The circadian rhythm plays a fundamental role in regulating biological functions, including
sleep–wake preference, body temperature, hormonal secretion, food intake, and cognitive …

Many processes in the human body—including brain function—are regulated over the 24-
hour cycle, and there are strong associations between disrupted circadian rhythms (for …

Men and women sleep differently. While much is known about the mechanisms that drive
sleep, the reason for these sex differences in sleep behaviour is unknown and understudied …

The interest in the systematic study of the circadian typology (CT) is relatively recent and has
developed rapidly in the two last decades. All the existing data suggest that this individual …

Background Lockdowns to prevent the community transmission of COVID-19 pandemic has
confined the people at home and imposed social restrictions, which is expected to cause …

Background: Light–dark alternation has always been the strongest external circadian
“zeitgeber” for humans. Due to its growing technological preference, our society is quickly …

Much of the current science on, and mathematical modeling of, dynamic changes in human
performance within and between days is dominated by the two-process model of sleep …

Abstract Study Objectives Previous research on sleep patterns across the lifespan have
largely been limited to self-report measures and constrained to certain geographic regions …

The circadian rhythms of melatonin and body temperature are set to an earlier hour in
women than in men, even when the women and men maintain nearly identical and …

Humans show large inter-individual differences in organising their behaviour within the 24-h
day—this is most obvious in their preferred timing of sleep and wakefulness. Sleep and …