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 sleep 6.5 hours or less per night. Participants will be monitored for changes in heart health and insulin resistance. The goal is to see…

This study tests a gentle, non-invasive neck massage technique called NSCLD to see if it can improve memory and thinking in adults who haven't slept well. Researchers will measure memory and cognitive function in 30 college students before and after the massage. The goal is to fi…

This study tests whether a personalized caffeine schedule helps people stay alert and think clearly during 62 hours of total sleep deprivation better than the usual caffeine recommendations. 180 healthy adults aged 18-39 will wear activity monitors and complete reaction time test…

This study tests a combination of sleep-promoting treatments (a 'sleep chronobundle') in 160 critically ill ICU patients. The goal is to realign their internal body clocks, which are often disrupted in the ICU, and see if this improves sleep quality and metabolism. Participants w…

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.

This study looks at how your internal body clock changes the way you experience time when you stay awake for 36 hours. Healthy adults aged 23 to 45 will stay in a controlled lab, awake the whole time, with everything kept constant. Every two hours, they will do short tests on tim…

This study looks at how healthy women aged 18-35 react to sleep loss depending on where they are in their menstrual cycle. Researchers will measure alertness, body temperature, and hormone levels. The goal is to understand if the menstrual cycle affects how the body handles lack …

This study looks at whether being awake between 2:00 and 4:00 AM makes negative mood, poor decision-making, and suicidal thoughts worse. Adults who have had suicidal thoughts in the past six months will be tested in a lab and at home under different sleep conditions. The goal is …

This study looks at how staying awake for 24 hours changes certain proteins in the blood that are linked to Alzheimer's disease. Researchers want to see if these changes differ based on a person's APOE gene type. The study involves 60 healthy adults aged 18 to 40 who normally sle…

This study looks at how different light exposure and meal timing affect the body's ability to process food when sleep is limited. Researchers will monitor 120 healthy adults aged 18-35 over several months, including overnight clinic stays. The goal is to understand how these fact…

This study looks at how not getting enough sleep for one night changes the way your heart pumps blood during cycling. Researchers want to see if a drop in blood volume is the reason. Thirty healthy young adults will exercise after a normal night's sleep and again after a night of…

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 a long shift. The goal is to understand how sleep deprivation impacts the body's ability to fight off…