Cited by 55Sleep and related disordersHormonal and reproductive studiesCircadian rhythm and melatonin

A Clinical Perspective of Sleep and Andrological Health: Assessment, Treatment Considerations, and Future Research

Open access
Liu, Peter Y·2019·The Journal of Clinical Endocrinology & Metabolism

Abstract

Context: Sleep that is insufficient, misaligned, or disrupted causes hypersomnolence and neuropsychological deficits, adversely affects cardiometabolic health, and is increasingly recognized to impair other biological processes that lead to conditions important to men, such as hypogonadism, erectile dysfunction, and infertility. Evidence Acquisition: Literature review from 1970 to December 2018. Evidence Synthesis: High-quality and complementary epidemiological and interventional studies establish that abnormal sleep is associated with increased mortality, hypertension, and other cardiometabolic disorders (insufficient, disrupted, and misaligned sleep), as well as reduced fecundity and total sperm count (insufficient sleep), erectile dysfunction (disrupted sleep), and low testosterone (both). Circadian misalignment shifts the peak of testosterone’s diurnal rhythm to occur soon after waking up, irrespective of the biological clock time, but it does not change the mean concentration. Preliminary studies show that extending sleep in individuals who are chronically sleep deprived may become a strategy to reduce insulin resistance and hypertension. Continuous positive airway pressure therapy can improve erectile function, and possibly systemic testosterone exposure, but only when used adherently by men with obstructive sleep apnea. Both high-dose and replacement-dose testosterone therapies modestly worsen sleep-disordered breathing, but they also improve cardiometabolic function and sexual desire. Persistence of either the adverse or beneficial outcomes over the longer term requires further investigation. Conclusions: Sleep is increasingly recognized to be essential for healthy living. Establishing the effect of abnormal sleep, and of improving sleep, on andrological issues of prime interest to men will promote prioritization of sleep, and may thereby improve overall long-term health outcomes.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1210/jc.2019-00683

Cites

191 of 191 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Sleep debt accumulates throughout life from repetitive episodes of insufficient sleep, misaligned sleep, and disrupted sleep.

    “Sleep debt accumulates throughout life from repetitive episodes of insufficient sleep (not sleeping for an adequate amount of time), misaligned sleep (as occurs with jetlag or night shiftwork), and disrupted sleep (from obstructive sleep apnea, nocturia associated with ageing or sporadic environmental noise) [4].”

    From Sleep, testosterone and cortisol balance, and ageing men (2022) · cites this paper as [4]

    The Sleep Physiology section identifies insufficient, misaligned, and disrupted sleep as forms of abnormal sleep. The sections on circadian misalignment and disrupted sleep also name jet lag, shift work, obstructive sleep apnea, nocturia, and environmental noise as examples or causes. Our copy does not say that these episodes cause sleep debt to accumulate throughout life. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Sleep restriction imbalances both testosterone and cortisol signaling.

    “This is because the hypothalamo-pituitary testicular and hypothalamo-pituitary adrenal axes that respectively control testosterone, the major anabolic hormone in men (but not women) and cortisol, a key catabolic signal, are intertwined in their regulation and sleep restriction imbalances both their signaling [4].”

    From Sleep, testosterone and cortisol balance, and ageing men (2022) · cites this paper as [4]

    The 'Sleep duration and testosterone' section says that experimentally restricting sleep in men generally reduces blood testosterone concentrations. The 'Circadian physiology relevant to endocrinologists' section describes interactions between the testosterone and cortisol axes, but does not say that sleep restriction disrupts cortisol signaling. No page numbers are available in our copy. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Stage 3 NREM sleep mostly occurs during the first half of the biological night and is the stage of sleep that is most metabolically and hormonally active.

    “Stage 3 NREM sleep, also named slow wave sleep (SWS), mostly occurs during the first half of the biological night and is the stage of sleep that is most metabolically and hormonally active [4].”

    From Sleep, testosterone and cortisol balance, and ageing men (2022) · cites this paper as [4]

  • The hypothalamo-pituitary testicular and hypothalamo-pituitary adrenal axes are intertwined in their regulation.

    “This is because the hypothalamo-pituitary testicular and hypothalamo-pituitary adrenal axes that respectively control testosterone, the major anabolic hormone in men (but not women) and cortisol, a key catabolic signal, are intertwined in their regulation and sleep restriction imbalances both their signaling [4].”

    From Sleep, testosterone and cortisol balance, and ageing men (2022) · cites this paper as [4]

  • Circadian misalignment induces insulin resistance.

    “Circadian misalignment is harmful. It induces insulin resistance”

    From Sleep, testosterone and cortisol balance, and ageing men (2022) · cites this paper as [4]

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

2 of the 193 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. [2]2. McMenamin TM. A time to work: recent trends in shift work and flexible schedules. Mon Labor Rev. 2007;130:3-15.

Cited by

Sorted by citations

Authors
Liu, P. Y.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Liu, Peter Y
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2019-05-01
Volume
104
Issue
10
Pages
4398-4417
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2942504831
Cited by
55
References
193
Citations by year
2026: 8 · 2025: 6 · 2024: 1 · 2023: 9 · 2022: 13 · 2021: 12 · 2020: 4 · 2019: 1 · 2018: 1
FWCI
1.11
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Heart, Lung, and Blood Institute (K24HL138632, R01HL124211)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal and reproductive studies
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
Keywords
sleep, circadian misalignment, sleep deprivation, erectile dysfunction, hypogonadism, testosterone, infertility, sperm count, obstructive sleep apnea, continuous positive airway pressure, sleep-disordered breathing, cardiometabolic health, insulin resistance, hypertension, sleep extension
MeSH terms
Age Factors, Androgens, Humans, Hypertension, Hypogonadism, Erectile Dysfunction, Male, Prognosis, Quality of Life, Sleep, Sleep Wake Disorders, Prevalence, Risk Assessment, Sleep Apnea, Obstructive, Hormone Replacement Therapy, Continuous Positive Airway Pressure

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review