Circadian rhythm sleep disorder, shift work type
MONDO:0024382A circadian sleep disorder that occurs when work schedules force people to be awake when their circadian rhythms dictate that they should be sleeping. It is classified as a Circadian Rhythm Disorder (CRD) and is extrinsic, i.e. caused by external behavioral factors.
Also known as: circadian rhythm sleep disorder of shift work type, shift work disorder
50 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
-
Personalized sleep and diet tips may ease night shift health toll
Disease control CompletedThis study tested whether personalized sleep or nutrition advice could help night shift workers sleep better and improve their health. 57 rotating or night shift workers wore smart devices, did alertness tests, and gave blood samples. Researchers compared those who got tailored a…
Phase: NA • Sponsor: Erasmus Medical Center • Aim: Disease control
Last updated Jun 26, 2026 14:40 UTC
-
New sleep supplement tested in 60 adults – results pending
Symptom relief CompletedThis study tested a dietary supplement called Speed Sleep in 60 adults aged 18-65 who have trouble sleeping. Participants took either the supplement or a placebo daily for 4 weeks. Sleep quality and quantity were measured using Fitbit trackers and questionnaires.
Phase: NA • Sponsor: Bio Nature Health • Aim: Symptom relief
Last updated Jun 27, 2026 12:29 UTC
-
Read your way to better sleep: Self-Help book tested for shift workers
Symptom relief CompletedThis study tested whether a self-help book could help healthcare workers with shift work disorder sleep better and feel less sleepy. 199 participants with symptoms of the disorder took part. The book provided tips on managing sleep, alertness, and health related to shift work.
Phase: NA • Sponsor: University of Bergen • Aim: Symptom relief
Last updated Jun 27, 2026 12:28 UTC
-
New sleep therapy helps night shift nurses beat insomnia
Symptom relief CompletedThis study tested a version of cognitive behavioral therapy for insomnia, specially adapted for night shift workers. 60 nurses who work night shifts and have insomnia took part. The goal was to see if the therapy is practical and helps improve sleep and reduce fatigue.
Phase: NA • Sponsor: Oregon State University • Aim: Symptom relief
Last updated Jun 27, 2026 12:04 UTC
-
Herbal sleep aid shows promise in midlife insomnia trial
Symptom relief CompletedThis study tested whether a daily mix of plant protein and two herbs (ashwagandha and rhodiola) could improve sleep in 100 adults aged 35-70 with sleep troubles. Participants took either the supplement or a placebo for 30 days and reported their sleep quality daily. The goal was …
Phase: NA • Sponsor: Universidad Pablo de Olavide • Aim: Symptom relief
Last updated Jun 27, 2026 11:00 UTC
-
Sleep aid boosts immunity in small trial
Symptom relief CompletedThis early study tested a product called Chenghuang Circadian Rhythm Regulator in 15 adults with ongoing sleep problems. The goal was to see if it could improve sleep quality and immune markers. Results are not yet reported, but the study was small and had no comparison group.
Phase: NA • Sponsor: Shanghai Cell Therapy Group Co.,Ltd • Aim: Symptom relief
Last updated Jun 27, 2026 09:05 UTC
-
New sleep aid shows promise for night shift workers
Symptom relief CompletedThis study tested whether a medication called lemborexant can help night shift workers sleep longer during the day. 29 full-time night shift workers who had trouble sleeping took either the drug or a placebo for two weeks. The goal was to see if the drug increased total daytime s…
Phase: PHASE4 • Sponsor: University of California, San Francisco • Aim: Symptom relief
Last updated Jun 27, 2026 09:01 UTC
-
Headband that reads your brain waves may ease insomnia in menopausal women
Symptom relief CompletedThis study tested whether a headband called Muse-S, which senses brain activity, could help midlife women with sleep problems like insomnia. Thirty-one women going through menopause wore the device at home. The goal was to see if it was practical and if it improved sleep quality …
Phase: NA • Sponsor: Mayo Clinic • Aim: Symptom relief
Last updated Jun 27, 2026 08:14 UTC
-
Gentle pressure, deep sleep: acupressure shows promise for elderly insomnia
Symptom relief CompletedThis study tested whether acupressure—a gentle finger-pressure technique on specific body points—could improve sleep in elderly people living in care homes. 75 residents took part, with half receiving 12 acupressure sessions over four weeks. The results showed that those who rece…
Phase: NA • Sponsor: Duzce University • Aim: Symptom relief
Last updated Jun 27, 2026 08:05 UTC
-
New online course helps seniors kick the benzo habit
Symptom relief CompletedThis study tested an online program called ALDER that teaches older adults skills to boost positive emotions and reduce anxiety. 33 people aged 65 and older who used benzodiazepines (anti-anxiety or sleep medications) at least twice a week took part. Over 5 weeks, they learned an…
Phase: NA • Sponsor: Northwestern University • Aim: Symptom relief
Last updated Jun 27, 2026 08:04 UTC
-
Better sleep could ease severe mental illness symptoms, study finds
Symptom relief CompletedThis study tested a sleep and circadian treatment (TranS-C) for people with severe mental illness (SMI) in community mental health centers. The treatment was adapted to better fit these settings. Researchers looked at whether it improved sleep, daily functioning, and symptoms in …
Phase: NA • Sponsor: University of California, Berkeley • Aim: Symptom relief
Last updated Jun 27, 2026 07:55 UTC
-
Better sleep, better mental health: new training approach tested in community clinics
Symptom relief CompletedThis study tested two versions of a sleep treatment for people with severe mental illness in community mental health centers. One version was the standard treatment, and the other was adapted to better fit patients' needs. The goal was to see if training clinic staff to deliver t…
Phase: NA • Sponsor: University of California, Berkeley • Aim: Symptom relief
Last updated Jun 27, 2026 07:55 UTC
-
Night shift nurses may face weaker bones, study suggests
Knowledge-focused CompletedThis study followed 59 nurses during their first year of work to see if night shifts harm bone health. Researchers measured bone density and markers of bone turnover in night shift nurses compared to day shift nurses. The goal was to understand if shift work increases the risk of…
Sponsor: University of Colorado, Denver • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:33 UTC
-
Smart system aims to crack brain disorder diagnosis
Knowledge-focused CompletedThis study tested a computer system designed to help doctors more accurately diagnose and manage complex brain disorders like dementia, epilepsy, and sleep problems. Researchers collected health data from 635 people visiting specialty clinics, including healthy volunteers, to see…
Sponsor: Neurological Institute of Athens • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:04 UTC
-
Just 3 nights of shift work may weaken bones, small study suggests
Knowledge-focused CompletedThis study looked at whether working night shifts for just three nights in a row can disrupt bone health. Twenty healthy adults aged 20-40 either followed a normal sleep schedule or stayed awake at night and slept during the day. Researchers measured bone turnover markers to see …
Phase: NA • Sponsor: University of Colorado, Denver • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:06 UTC
-
Shift workers test eating only during daytime to control blood sugar
Knowledge-focused CompletedThis study looked at whether rotating shift workers can stick to a time-restricted eating plan, where they only eat during certain hours. Researchers wanted to see if this approach is practical and how it affects blood glucose levels during day and night shifts. 31 healthcare wor…
Phase: NA • Sponsor: Woolcock Institute of Medical Research • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:06 UTC
-
Night shifts may disrupt your metabolism and sleep, new study finds
Knowledge-focused CompletedThis completed observational study looked at 72 men and women aged 20-50 who work rotating night and day shifts. Researchers measured blood sugar, weight, sleep patterns, and other health markers to understand how short-term circadian misalignment from shift work affects the body…
Sponsor: Tinh-Hai Collet, MD • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:57 UTC