Poor sleep affects testosterone production by a lot. Research shows that sleeping only 5 hours nightly can drop testosterone levels by 10-15% - like aging 10-15 years. Your body releases most testosterone during sleep, especially during REM stages.
Chronic stress raises cortisol, which works against testosterone. Higher cortisol usually means lower testosterone. Simple
stress reduction techniques like meditation, deep breathing, and good work-life balance help keep your hormones healthier.