Sleep quality and circadian rhythm regulation play an essential role in testosterone production. Testosterone secretion follows a diurnal pattern, peaking during early morning hours and closely linked to sleep architecture.
Chronic sleep deprivation, shift work, and circadian disruption are associated with reduced testosterone levels, impaired libido, and decreased sperm quality.
Andrology increasingly recognizes sleep erotic optimization as a non-pharmacological intervention to enhance male reproductive health.
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