Free to start. 20 minutes a day. Results from night one.
Join 10,000+ people who've mastered their sleep with our science-backed 21-day challenge. No supplements. No expensive gadgets. Just proven techniques that actually work.
Build habits that help you drop off in under 15 minutes—without forcing it.
Reduce 2–4 AM wake-ups with practical changes to routine, environment, and recovery.
Align your circadian rhythm so mornings feel easier—often before your alarm.
Better sleep quality supports stable mood, focus, and performance throughout the day.
Science-backed lessons that stack: rhythm, environment, nutrition timing, and mental tools.
Fix your internal clock and lock in the highest-leverage basics: routine, morning light, meal timing, bedroom temperature, screens, darkness, and hidden caffeine traps. Result: faster sleep onset and fewer night wakings by Day 7.
Turn your bedroom into a true sleep sanctuary: air quality, nasal breathing, exercise timing, hydration, sound strategy, and a 7-day alcohol-free experiment. Result: deeper, more stable sleep by Day 14.
Quiet the mind and make great sleep automatic: worry dump, body scan, sleep-supportive foods, blood sugar stability, herbal allies, partner sleep strategies, and your personal sleep playbook. Result: a system you can keep for life.
Bite-sized 4–5 minute lessons guided by sleep science.
Small daily actions that stack into big results.
Breathwork + body scan sessions for deep relaxation.
Track changes, patterns, and what works for you.
Watch your sleep transform day by day.
English, French, Spanish, German, Italian, Portuguese.
A daily push to stay consistent when motivation dips.
Revisit any lesson anytime—no rushing to “keep up.”
"I went from lying awake for 2+ hours every night to falling asleep in 10 minutes. The temperature and screen lessons alone changed everything."
"I was skeptical about another sleep program. But this isn't about buying stuff—it's about understanding how sleep actually works. I wish I'd done this years ago."
"The alcohol lesson was a wake-up call. I had no idea what it was doing to my sleep. Seven days without drinking and I feel like a new person."
"Finally, a sleep program that doesn't try to sell me supplements. Just real science and practical actions. My watch shows noticeably more deep sleep now."
About 20–30 minutes. Each day includes a short lesson (4–5 min), 2–3 small action tasks, and a brief journaling prompt. Most people do it during their wind-down routine before bed.
No. The challenge is designed to work with what you already have. Some lessons suggest optional items (like blackout curtains or a white noise machine), but none are required.
Life happens. You can pick up where you left off. The app saves your progress, and you can repeat lessons as needed. The challenge is designed to fit your life, not the other way around.
Most sleep “solutions” focus on one thing—a supplement, a gadget, a mattress. The 21-Day Challenge is holistic: circadian rhythm, environment, nutrition timing, mental habits, and relaxation techniques. It’s a complete system, not a single hack.
Yes. Every lesson is based on peer-reviewed sleep research, including principles from Cognitive Behavioral Therapy for Insomnia (CBT-I), the gold standard for sleep treatment.
This challenge complements medical treatment but doesn’t replace it. If you suspect a sleep disorder, please see a doctor. Many people with mild-to-moderate sleep issues still see significant improvement from these lifestyle changes.
Absolutely. Day 20 specifically covers optimizing sleep when sharing a bed. Many couples do the challenge together and report better sleep—and fewer bedtime conflicts.
You weren’t born to be tired. In 21 days, build a simple, personalized system for restorative sleep—without supplements or expensive gadgets. Join 10,000+ people already inside Astrara.
Free to start. Cancel anytime.