Late shifts, sedentary lifestyles, hyperconnectivity, stress: How work robs us of sleepNight shift workers struggle with low-quality sleep, leading to chronic sleep deprivation and health issues.
Michel Siffre, 85, Dies; Descended Into Caves to Study the Human MindMichel Siffre's 63-day cave experiment significantly advanced the study of circadian rhythms, demonstrating the human internal clock operates independent of external time cues.