SLEEP DEPRIVATION

This study looks at whether limiting eating to an 8-hour period each day can lower blood pressure and improve blood sugar control in adults who regularly sleep 6.5 hours or less per night. Researchers will compare participants' usual eating habits with a time-restricted eating sc…

This study tests whether a personalized caffeine schedule helps people stay alert and think clearly during 62 hours of total sleep deprivation better than standard caffeine dosing. About 180 healthy adults aged 18-39 will wear activity monitors, do reaction-time tests at home and…

This study tests if a special, gentle neck massage (called NSCLD) can help improve memory and thinking in adults who are sleep-deprived. 30 college students with poor sleep will receive the massage and take memory and thinking tests. Researchers want to see if this simple, non-in…

This study tests a combination of sleep-promoting and circadian-aligning treatments (a "chronobundle") in 160 critically ill ICU patients. The goal is to see if this bundle can realign patients' internal body clocks, improve sleep quality, and boost metabolism. Participants must …

This study looks at how healthy women aged 18-35 react to sleep loss during different phases of their menstrual cycle. Researchers will measure alertness, body temperature, and hormone levels in 100 participants. The goal is to understand if the menstrual cycle affects how the bo…

This study looks at whether being awake during the late-night hours (2:00-4:00 AM) makes people feel more hopeless, have worse decision-making, and experience more suicidal thoughts. Adults who have had suicidal thoughts in the past six months will be tested in a lab and at home …

This study looks at how getting only 4 hours of sleep for three nights, or having insomnia, changes the way people handle their emotions. Researchers will compare these groups to people who sleep normally. They use brain scans and emotion tasks to understand the effects. The goal…

This study looks at how different light patterns and meal timing affect the body's metabolism when sleep is reduced. Researchers will observe 120 healthy adults aged 18-35 over 4-6 months, including overnight clinic stays and medical tests. The goal is to understand how these lif…

This study looks at whether a 15-minute Shoonya meditation practice can help protect your thinking and focus after a night of poor sleep. Researchers will compare regular meditators with people who nap regularly. The goal is to see if meditation changes sleep patterns, heart rate…

This study looks at how working a 24-hour shift affects the immune system of surgery residents. Researchers will measure changes in immune cells and inflammation before and after the shift. The goal is to understand the health impact of sleep deprivation on doctors in training.

This study looks at how a night of poor sleep changes the way your heart pumps blood during cycling. Researchers will measure heart output and blood pressure in 30 healthy young adults after normal sleep and after partial sleep deprivation. The goal is to understand if lower bloo…

This study looks at how your internal body clock changes the way you perceive time, think, and feel when you stay awake for 36 hours. Thirty healthy adults aged 23 to 45 will stay in a controlled lab, awake the whole time, with constant light, posture, food, and activity. Every t…

This study aims to understand how staying awake for 24 hours affects blood markers linked to Alzheimer's disease. Researchers will recruit 60 healthy young adults and compare those who stay awake to those who sleep normally. The goal is to see if sleep deprivation temporarily cha…