Electroencephalography and clinical neurophysiology
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Electroencephalogr Clin Neurophysiol · Mar 1985
Ambulatory monitoring of the electroencephalogram in high altitude mountaineers.
Twenty-nine 24 h ambulatory EEG recordings were obtained from 9 British Army mountaineers at heights ranging from 4115 to 6220 m during the period of acclimatization. Three individuals also had ambulatory sea-level EEGs. Sea-level clinical recordings were made on all the mountaineers. ⋯ There was a lesser reduction of REM sleep. These findings are consistent with complaints of poor quality sleep at high altitude, despite ample opportunity for sleep and the maintenance of health. The latter was attributed to careful acclimatization.