Sleep

Hypoglossal nerve stimulation (HGNS) is associated with increases in airflow in patients with sleep apnoea, according to a new study.

Overview

For middle-aged adults, sleeping less than six or more than eight hours a night is associated with a decline in brain function, British researchers contend. Read all about the mechanism and stages of of sleep, insomnia and other sleeping disorders such as sleep apnoea, narcolepsy, restless leg syndrome, sleep terror disorder, and REM behaviour disorder. We also give your the low-down on sleeping pills and the best tips to help you sail to dreamland.