Sleep & TestosteroneEvidence & Dosage
5h sleep → 10–15% testosterone drop in young men.
Evidence at a glance
- Total studies
- 203
- With abstract
- 50
- Meta / Systematic / RCT
- 1
- Highly cited
- 50
- Publication years
- 1979–2026
Sleep & Testosterone in the context of Sleep
This topic is part of our "Sleep" world. There you'll find methodology, evidence and the highest-impact levers — plus the order in which they sensibly build on each other.
Go to SleepTop studies on Sleep & Testosterone
Ranked by influential-citation count and publication year.
Risk Factors for Sexual Dysfunction Among Women and Men: A Consensus Statement From the Fourth International Consultation on Sexual Medicine 2015.
The journal of sexual medicine2016129 influential citations<h4>Introduction</h4>This article presents a review of previous research concerning risk factors for sexual dysfunction in women and men.<h4>Aim</h4>The aim is to evaluate past research studies to determine the contribution of all risk…
Associations between sex hormones, sleep problems and depression: A systematic review.
Neuroscience and biobehavioral reviews2020124 influential citationsSleep problems and depression are both common and have a high impact on quality of life. They are also strongly associated and commonly occur together. During the reproductive age, both sleep problems and depression are almost twice as…
Recommendations on the diagnosis, treatment and monitoring of hypogonadism in men.
The aging male : the official journal of the International Society for the Study of the Aging Male2015n=3,006106 influential citationsHypogonadism or Testosterone Deficiency (TD) in adult men as defined by low levels of serum testosterone accompanied by characteristic symptoms and/or signs as detailed further on can be found in long-recognized clinical entities such as…
Transient hypogonadotropic hypogonadism caused by critical illness.
The Journal of clinical endocrinology and metabolism1985n=35105 influential citationsThe effects of acute severe illness on pituitary-gonadal function were determined in 35 men and 19 women, including 12 who were postmenopausal. Seventeen men and 5 women had traumatic brain injury which resulted in coma. Twelve…
Secondary hypogonadism in older men: its relation to impotence.
The Journal of clinical endocrinology and metabolism1990103 influential citationsThe relation of the reproductive endocrine system to impotence in older men was examined by measuring the concentrations of testosterone (T), bioavailable testosterone (BT), LH, and PRL and body mass index (BMI) in 57 young controls (YC),…
Low serum testosterone and mortality in male veterans.
Archives of internal medicine200699 influential citations<h4>Background</h4>Low serum testosterone is a common condition in aging associated with decreased muscle mass and insulin resistance. This study evaluated whether low testosterone levels are a risk factor for mortality in male…
Neuroendocrine dysfunction in sleep apnea: reversal by continuous positive airways pressure therapy.
The Journal of clinical endocrinology and metabolism1989n=4399 influential citationsWe studied the effects of sleep apnea on neuroendocrine function in a cross-sectional study of 225 consecutive men undergoing sleep studies and in a longitudinal study of 43 men with severe obstructive sleep apnea before and after 3 months…
Sleep Disturbances Across a Woman's Lifespan: What Is the Role of Reproductive Hormones?
Journal of the Endocrine Society202399 influential citationsFluctuations of reproductive hormones are associated with various forms of sleep disturbances and specific sleep disorders, such as insomnia or sleep-disordered breathing, across different stages of reproductive aging. During the menstrual…
Obesity and androgens: facts and perspectives.
Fertility and sterility200693 influential citations<h4>Objective</h4>This review discusses androgen status in male and female obesity, according to their specific phenotype, and the main mechanisms responsible.<h4>Design</h4>Published data in the literature of the last 20 years represented…
Male obesity and alteration in sperm parameters.
Fertility and sterility2008n=52681 influential citations<h4>Objective</h4>To study the effect of male obesity on sperm parameters and erectile dysfunction.<h4>Design</h4>Retrospective analysis.<h4>Setting</h4>Referral fertility center.<h4>Patient(s)</h4>Couples presenting for infertility…
More topics in Sleep
Glycine
Glycine, sleep quality, body temperature and safety.
Alcohol & Sleep
Faster sleep onset, but REM suppression and night-time waking.
Antihistamines
Diphenhydramine, doxylamine — sleep fragmentation, anticholinergic dementia risks.
Apigenin
Chamomile, GABA modulation, and sleep quality.
Apigenin (Sleep)
A flavonoid from chamomile, GABA modulation, sleep quality.
Ashwagandha (Sleep)
Cortisol lowering, sleep quality — KSM-66 and Sensoril extracts.
Bedroom Darkness
Blackout curtains, sleep mask — melatonin and sleep depth.
Bedroom Temperature
Optimal 17–19°C — a falling core body temperature promotes sleep.
Benzodiazepines
Sedative/hypnotic — dependence, cognitive risks in older age.
Blue Light Filter
f.lux, Night Shift, glasses — the evidence and the marketing hype.
Bruxism
Teeth grinding — stress, night guard, trigger factors.
Caffeine Timing
Half-life ~5–6h — cut off 8–10h before sleep.
CBD for Sleep
Endocannabinoid system, REM effects, and dosage spectrum.
CBT-I
Cognitive behavioral therapy for insomnia — first-line therapy per the guidelines.
Circadian Rhythm
The internal ~24h clock — light as the main signal, peripheral clocks in the organs.
CPAP
Continuous positive airway pressure — the standard for moderate apnea.
Deep Sleep
N3 slow-wave sleep — physical recovery, GH release.
GABA Supplements
Blood-brain barrier, fermented GABA, and efficacy data.
Glycine for Sleep
Deep sleep, lowering body temperature, and 3 g in the evening.
Glycine (Sleep)
3g before bed — lowers core body temperature, modulates deep sleep.
Related topics from other worlds
Power Nap
10–20 min as an energy boost; longer naps can disrupt sleep.
Training Stress
TSS, acute vs. chronic load, the ATL/CTL/TSB concept.
Caffeine + L-Theanine
Caffeine, L-Theanine, focus, alertness and tolerance.
Digestive System
Stomach acid, enzymes, absorption, the gut-brain axis, the microbiome.
Magnesium
Magnesium types, sleep, cramps, stress, and dosage.
Observational Studies
Cohort, case-control, cross-sectional — correlation, not proof of causation.