Feeling sleepy during the day could signal a more serious issue for some groups. A new study published in the journal Neurology revealed a possible connection between daytime sleepiness in older ...

(CNN) — If you find yourself sleepy during your daily activities in your older age, you may need to consider it more than an inconvenience — since the fatigue may indicate you’re at higher risk for ...

(CNN) — If you find yourself sleepy during your daily activities in your older age, you may need to consider it more than an inconvenience — since the fatigue may indicate you’re at higher risk for ...

By Hugo Francisco de Souza New neuroimaging research shows that when sleep-deprived people lose focus, the brain briefly ...

Melatonin, known as the 'sleep hormone,' is produced naturally from the pineal gland in the center of our brain — it's ...

A collaborative study found that while sleep duration recovers quickly, sleep timing and sleep architecture can take significantly longer to realign when traveling across time zones. A collaborative ...