Somnology they may work well in treating insomnia, have a risk of abuse which is why these treatments are not the first resort. Some sleep disorders such as narcolepsy do require pharmacological treatment. Somnology Somnology is the scientific study of sleep. It includes clinical study and treatment of sleep disorders and irregularities. Sleep medicine is a subset of somnology. After the invention of the EEG, the stages of sleep were determined in 1936 by Harvey and Loomis, the first descriptions of delta and theta waves were made by Walter and Dovey, and REM sleep was discovered in 1953. Sleep apnea was
Muscular evolution in humans but what was gained was the ability to hold a club or throw a spear and use the other free hand for another task. This adaptation also helped humans stand up straight with locked knees for longer periods of time. The plantaris muscle in the foot which helped our ancestors grab and manipulate objects like chimps do, has adapted to its new evolutionary role appropriately, becoming so underdeveloped that it cannot grip or grab anything, the foot has grown more elongated as a result and now 9% of humans are born without it. Homo sapiens benefitted by becoming a better