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Find an equation of the tangent line to the graph of the function f defined by the equation at the indicated point.
Microsleep
A brief episode of sleep which may last for a second or two to a half-minute, occurring when someone is apparently awake and often goes unnoticed by the person experiencing it.
Threshold
The minimum level of stimulus intensity required for a sensation to be perceived or a response to be elicited.
Sleep Cycles
The progression through various stages of non-REM and REM sleep that repeats cyclically throughout a typical night's rest.
NREM Sleep
The period of sleep outside of REM sleep, characterized by slower brain waves, reduced eye movement, and lack of dreaming, which is associated with physical recovery and memory consolidation.
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