Bb5a31f81ClaimMel Robbins maintains a personal goal to sustain physical mobility and strength into her 80s and 90s using resistance training and adequate sleepAgreeDisagree
Bb5a31f81ClaimPerimenopause and menopause result in a substantial decline in estrogen levels in womenAgreeDisagree
Bb5a31f81ClaimAbnormally low testosterone levels in adult men can impair energy, motivation, cognitive function, and sexual performanceAgreeDisagree
Bb5a31f81ClaimFollowing back surgery, Dr. Mark Hyman suffered severe blood loss that dropped his hemoglobin level to 7 and his testosterone level to approximately 100AgreeDisagree
Bb5a31f81ClaimViewing natural light within 20 minutes of waking triggers cortisol release to promote alertness and sets the circadian timing for evening melatonin releaseAgreeDisagree
Bb5a31f81ClaimHumans deprived of artificial electricity outdoors naturally fall asleep approximately 3.3 hours after sunset regardless of self-reported chronotypesAgreeDisagree
Bb5a31f81ClaimA study published in the journal Sleep evaluated the effects of four daily circadian behaviors across 39,000 members on the Whoop platformAgreeDisagree
Bb5a31f81ClaimA January 2024 UK Biobank study analyzing approximately 79,000 individuals showed that sleep-wake regularity predicts all-cause mortality more accurately than sleep durationAgreeDisagree
Bb5a31f81ClaimGoing to sleep after midnight is associated with elevated fasting blood glucose levels the following morning independent of other lifestyle variablesAgreeDisagree
Bb5a31f81ClaimIn Dr. Kristin Holmes's Whoop study, engaging in four daily circadian behaviors improved resting heart rate and heart rate variability, mediated by sleep-wake consistencyAgreeDisagree
Bb5a31f81ClaimDr. Kristin Holmes recommends maintaining a two- to three-hour buffer between an individual's final meal and bedtimeAgreeDisagree
Bb5a31f81ClaimA study led by Dr. Andrew Phillips showed that sleep-wake regularity was the single strongest predictor of grade point average among Harvard undergraduate studentsAgreeDisagree
Bb5a31f81ClaimCognitively appraising daytime stressors as threats rather than challenges impairs subsequent nighttime sleep qualityAgreeDisagree
Bb5a31f81ClaimKlotho protein is involved in the physiological regulation of vitamin D and parathyroid hormoneAgreeDisagree
Bb5a31f81ClaimEarly morning cortisol surges can elevate fasting blood glucose levels upon waking through the dawn phenomenonAgreeDisagree
Bb5a31f81ClaimAcute stress triggers the release of cortisol, epinephrine, and norepinephrine, which stimulates glycogen breakdown and elevates circulating glucose in the absence of foodAgreeDisagree
Bb5a31f81ClaimInsufficient sleep alters circulating appetite hormones including ghrelin and PYY, increasing daytime cravings for carbohydratesAgreeDisagree
Bb5a31f81ClaimPolycystic ovary syndrome driven by insulin resistance produces elevated levels of testosterone, DHEA, androstenedione, and an elevated luteinizing-to-follicle-stimulating hormone ratio in womenAgreeDisagree
Bb5a31f81ClaimHistorian A. Roger Ekirch documented that pre-industrial human sleep was routinely divided into two intervals separated by an awake period called the watchAgreeDisagree
Bb5a31f81ClaimIn historical biphasic sleep, individuals slept for roughly four hours, stayed awake for several hours, and then slept a second phaseAgreeDisagree