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| M | Melatonin is the name of a hormone, which is secreted by the pineal gland that is derived from such amino acid as tryptophan. This amino acid helps to make the biological clock neurons synchronized in the suprachiasmatic nucleus.
Micro – arousal is the term, which is applied to describe the condition of partial awakening from sleep, when a person is partially awakes, though he or she is not aware of it yet.
Micro – sleep is the name of the period, which lasts up to several seconds, and during which people appear to be asleep in otherwise waking periods. This phenomenon is considered to be the reason of great concern for people on certain critical jobs.
Multiple Sleep Latency Test (MSLT) is the name of a common sleep test, conducted usually at the sleep laboratory and aimed at the diagnosing of possible sleep disorders. During this test brain waves are recorded with the help of EEG, heart rate is recorded with the help of EKG, and muscle activity and eye movements are often necessary to be recorded. As a rule this test involves a series of so – to – say “nap tests”.
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