Short sleep study for healthy adults
This study tests how a daily product affects sleep, digestion, and overall health in people who naturally sleep only 4 to 5.5 hours a night but feel fine. Participation involves tracking your sleep and habits for a few weeks, with two in-person visits.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are a man aged 20 to 50, or a woman aged 20 to 45 who has not gone through menopause.
- You sleep about 4 to 5.5 hours a night on a regular schedule and feel rested without daytime naps.
- You have a body mass index (BMI) between 18.5 and 35.
- You are in good physical and mental health, with no sleep disorders, digestive issues, or recent use of antibiotics or certain supplements.
- You are willing to keep a sleep diary, use a wearable ring, and attend two in-person visits.
- You have regular bowel movements at least 5 days a week, and do not wake up often during the night.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
Similar studies
Other trials that look related to this one.
This study examines how the body naturally regulates sleep in people who sleep less than 6 hours on weekdays without feeling tired during the day. Researchers want to understand why some people need less sleep and how their bodies adapt.
This study looks at how different sleep patterns (short or long sleep) affect the bacteria in your gut. You will wear a sleep tracker, record your sleep and diet, and provide stool samples to see if changing your sleep schedule changes your gut health.
This study tests whether changing the time window when you eat can improve heart health for people who naturally sleep 6.5 hours or less per night. You'll be asked to follow either a longer or shorter daily eating period while researchers measure blood pressure and other heart disease risk factors.
This study tests whether extending your sleep time improves your health and well-being. Researchers will give you guidance to slowly increase your sleep, using your FitBit to track progress.
This study tests if a dietary supplement can help people with mild sleep issues sleep better and feel more refreshed in the morning. It's for generally healthy adults who are not taking sleep medications or other supplements.
This trial tests if sleeping more can help active people avoid the negative effects of not getting enough sleep. It might be a good fit if you exercise regularly and usually sleep 6 to 8 hours a night.
Hear when a new Short Sleepers trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.