Every year, the temperature drop may bring a mix of excitement and fatigue. Cozy meals, slower mornings, and darker evenings may sound appealing at first, but by midwinter, energy may start dipping ...

Circadian rhythm is your body’s natural, internal 24-hour cycle that determines when you sleep and eat, your body temperature and when crucial hormones are released. This body clock is regulated ...

Always tired in the mornings? Getting up feels especially hard during the dark season. But how accurate is this perception?

Winter makes kids’ behavior harder due to less sunlight affecting mood-regulating chemicals, disrupted routines from being ...