Advanced sleep phase syndrome
Medical term · A
A pattern of falling asleep and waking up earlier than wanted that worsens progressively over time.
Related terms
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Advance care directive (or advance medical directive)A legal document that describes the kind of medical care a person want if an accident or illness leaves him or her unable to make or communicate decisions.
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AerobicAny process that requires oxygen. Often used to describe a form of exercise, aerobic exercise.
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AdulterantAn ingredient in a medicinal product (herb, supplement, or prescription drug), which dilutes the purity of the product and does not contribute to its therapeutic effects.