Circadian rhythm sleep disorder, delayed sleep phase type

This study tests whether using a bright blue light device for 15-30 minutes each morning can slow the progression of idiopathic scoliosis in children aged 10-15 who are night owls. The trial will enroll 120 participants and follow them for 6 months, measuring spine curve changes …

This study is testing whether simple wearable devices can accurately screen for sleep disorders in children with cerebral palsy. About 140 children aged 6 to 15 will wear the devices at home and then undergo a standard hospital sleep test. The goal is to see if the wearable metho…

This study tests whether the drug Lemborexant helps people with delayed sleep phase syndrome fall asleep faster at their desired bedtime. Fifteen adults will take either the drug or a placebo nightly for up to 2 years, tracking sleep with logs and a wrist monitor. The goal is to …

This study tests whether a low-dose melatonin pill (0.5 mg) combined with a behavioral sleep program can shift the body's internal clock earlier and improve mood in people with bipolar disorder who are night owls. Fifty participants will either get melatonin plus sleep therapy or…

This study tests whether a sleep-focused therapy can improve depression in teenagers whose body clocks are out of sync with their wake-up time. Researchers will enroll 200 adolescents with depression and delayed sleep phase. The therapy aims to realign their internal circadian rh…

This study follows 1,000 adults in Canada who are authorized to use medical cannabis for pain, sleep issues, anxiety, depression, or epilepsy. Researchers will track changes in symptoms using standard questionnaires over 24 weeks. The goal is to see how well medical cannabis work…

This study tests a 4-week online course designed to help adults who experience parasomnias—unwanted sleep events like sleep terrors, sleepwalking, and nightmares. The course teaches safety planning, relaxation, and therapy techniques. Researchers will measure whether it reduces h…

This Phase 3 trial tests whether the drug tasimelteon can help people with Delayed Sleep-Wake Phase Disorder (DSWPD) fall asleep earlier and sleep better. 70 adults with DSWPD will receive either tasimelteon or a placebo daily. The study measures sleep onset and quality using sle…

This study tests whether a special memory support program can help people aged 50 and older remember and stick to their sleep treatment. The program uses simple memory strategies alongside standard sleep therapy. Researchers will track sleep quality, daily functioning, and life s…

This study tests whether taking branched chain amino acids (BCAAs) twice a day for three weeks can improve sleep in people with traumatic brain injury. Researchers will also check if the supplement is easy to take and if participants stick with it. The study involves 300 veterans…

This study aims to understand what causes delayed sleep wake phase disorder (DSWPD), a condition where people's sleep times are shifted later. Researchers will compare 66 participants with DSWPD to healthy controls by measuring body temperature, melatonin, and thinking ability du…

This study looks at how the pupils of people with Delayed Sleep-Wake Phase Disorder react to light. Researchers want to see if there are differences in light sensitivity and whether a single dose of citalopram (a serotonin-boosting drug) can increase melatonin suppression during …

This study looks at how sleep and body clock disruptions impact the brain's reward and impulse control systems in teenagers. Researchers will monitor sleep, brain activity, and decision-making in 100 healthy high school students. The goal is to understand why poor sleep may incre…