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CategorySen i regeneracjaSen i regeneracja
Evidence strengthModerate evidenceStrong evidence
Evidence Score4/55/5
User rating4.6 (68)4.8 (82)
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Time to effectsWhen sleepiness stems from sleep deprivation, improvement is usually visible within 1–2 weeks of consistently longer sleep; when treating sleep apnea (CPAP), daytime sleepiness typically decreases over several weeks of regular use.Disruptions to the GH pulse and cortisol rhythm appear after just a few nights of shortened or fragmented sleep; improvement after restoring regular, sufficient sleep is usually visible within several days to about two weeks.
Who it's forPeople experiencing difficulty staying alert during the day that has persisted for at least several weeksPeople doing strength or endurance training, for whom GH-dependent tissue recovery has practical relevance