Sleep Blog
Evidence-based articles on sleep problems, sleep science and the ingredients used in sleep supplements. Every article cites its sources and tells you when to see a doctor instead of reaching for a supplement.
Is 3 Hours of Sleep Enough? What Happens When You Sleep 3 Hours
Is 3 hours of sleep enough? No, but it beats none. See what you get in 3 hours, how impaired you are the next day, and how to get through it safely.
Yu Sleep Drops: Why It Is a Liquid, How the Formula Changed and What "Yu Sleep 2.0" Means
Yu Sleep drops explained: why it is a liquid, how the 2026 ten-ingredient label differs from older listings, and whether a Yu Sleep 2.0 really exists.
What Time Should I Wake Up? Sleep Cycle Charts for Any Bedtime
If you sleep at 11 PM, wake at 6:45 AM or 8:15 AM. Bedtime and wake-time charts built on 90-minute sleep cycles, plus why the math is only a guide.
Yu Sleep Reviews on Trustpilot, BBB and Reddit: An Audit of Where Independent Feedback Really Exists
Yu Sleep reviews on Trustpilot, BBB, Reddit, Amazon and Consumer Reports: what exists as of October 2026, ratings we saw, and what complaints show.
How to Fix Your Sleep Schedule When It's Messed Up (7-Day Plan)
Sleep schedule messed up? Reset it in 7 days: shift your wake time 30 minutes a day, get morning light, dim your evenings, and skip the all-nighter.
Yu Sleep vs Relaxium Sleep: Which Formula, Dose and Buying Model Is the Better Fit?
Yu Sleep vs Relaxium Sleep compared: 0.9 mg vs 5 mg melatonin, hidden vs disclosed doses, drops vs capsules, cost per night, trials and refund terms.
Is 5 Hours of Sleep Enough? One Night vs. Every Night
Is 5 hours of sleep enough? Not for most adults. See what one night vs. weeks of 5-hour sleep does, how to get through the day safely, and how to recover.
Dr. Collins and Yu Sleep: Who Created the Formula and What We Could Verify
Dr Collins Yu Sleep fact check: what the sales page says about Dr. Andrew Collins, what we could and could not verify, and how to check any doctor claim.
The 30 Second Cherry Trick for Sleep: What the Yu Sleep Video Means and What the Science Says
The 30 second cherry trick for sleep is the Yu Sleep video's name for holding drops under the tongue. See what tart cherry studies actually show.
The Navy SEAL Sleep Method: How to Do It, Where It Came From and Whether It Really Works
The Navy SEAL (military) sleep method step by step: where the 96% claim comes from, why it may work, what the research shows and how to practice it.
Yu Sleep vs Sleep Gummies: Liquid Drops or Melatonin Gummies, Which Is the Better Buy?
Yu Sleep vs sleep gummies (Olly, Natrol, ZzzQuil, Nature Made): melatonin dose, sugar, label accuracy, absorption, cost per night and child safety.
The 3-2-1 Sleep Rule (and the 10-3-2-1-0 Version): What It Is and Why Each Number Works
The 3-2-1 sleep rule and 10-3-2-1-0 variant explained: why each cutoff works, what research says, shift-worker and parent adaptations, and a 7-day plan.
How to Fall Asleep Faster: 15 Evidence-Based Methods (Ranked by How Fast They Work)
How to fall asleep faster: 15 research-backed methods, from a fixed wake time and cool room to 4-7-8 breathing, cognitive shuffling, and stimulus control.
Sleep Supplements Without Melatonin: 7 Alternatives That Have Real Evidence
7 sleep supplements without melatonin: magnesium glycinate, L-theanine, GABA, apigenin, lemon balm, glycine, and tart cherry, with doses and evidence.
Best Magnesium for Sleep: Glycinate vs Threonate vs Citrate vs Oxide (2026 Guide)
Which magnesium is best for sleep? Glycinate, threonate, citrate, oxide, and taurate compared on absorption, dose, side effects, and trial evidence.
Do You Sleep Better in the Cold? The Science of Temperature and Sleep
Do you sleep better in the cold? Yes, within limits. Learn the best bedroom temperature (60-67°F), why your body cools at night, and the socks trick.
Does 5-HTP Help You Sleep? What the Evidence Actually Shows
Does 5-HTP help you sleep? What the studies show, 50-300 mg dosing, 5-HTP vs melatonin, side effects, and the SSRI serotonin syndrome warning.
How Much Sleep Do You Need by Age? The Complete Chart
How much sleep do you need by age? The CDC/AASM chart from newborns to 65+, plus sleep cycles, sleep debt, and why consistency beats total hours.
Is 6 Hours of Sleep Enough? An Honest Look at 2 to 8 Hours
Is 6 hours of sleep enough? For most adults, no. See what 2, 4, 5, 6, 7, and 8 hours actually do to your brain and body, and why 'short sleepers' are rare.
Why Am I Tired After 7 Hours of Sleep? 9 Causes and How to Fix Them
Why am I tired after 7 hours of sleep? Nine causes, from sleep apnea and alcohol to too much melatonin, red flags to see a doctor, and a 7-day fix plan.
Why Can't You Sleep? 9 Common Causes (and How to Fix Each One)
Why can't you sleep even when you're tired? Nine common causes, from cortisol and caffeine timing to low magnesium, with a practical fix for each one.
Why Do I Wake Up at 3am? 8 Causes and What to Do About It
Why do I wake up at 3am every night? Eight common causes, from cortisol and alcohol to blood sugar dips, plus a step-by-step plan to fall back asleep fast.