Study

Heart rate dynamics reveal strong interaction between sleep stages and autonomic nervous system in sleep apnea patients

This study investigates the relationship between heart rate variability and sleep stages in healthy individuals and patients with obstructive sleep apnea. Sleep stages, defined by EEG patterns, follow a structured cycle including light, deep, and REM sleep. Obstructive sleep apnea…

June 24, 2003
Neuroscience, Sleep

Insufficient sleep in adolescents leads to cognitive and emotional impairments

Adolescents who lack sufficient sleep experience cognitive deficits like reduced attention span and impaired learning. Emotional consequences include increased anger, irritability, and difficulty regulating emotions due to underdeveloped prefrontal cortex functions. Sleep deprivation also leads to dangerous behaviors, such as…

January 1, 2000
Sleep

EMDR therapy helps some people with PTSD

EMDR therapy for PTSD explained in plain language: how sessions work, what studies show, WHO/NICE guidance, limits, and risks to help you choose.

September 1, 1989
Stress, Various Psychology