Sleep · Los Angeles area, CA
Sleep studies in Los Angeles area, CA
23 recruiting studies have a site in the Los Angeles area. This page includes nearby cities such as Santa Monica, Beverly Hills, Pasadena, Long Beach.
23 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
1 study with pay posted
Exact amounts posted by the research company for each study. The button opens that study’s own page.
Pays up to
$10,000
Research Study for Insomnia (S-41000)
Altasciences · Cypress, CA
Male/Female
View study & apply (opens in a new tab)Opens Altasciences’s page for this exact study
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
The Effects of a Nutritional Supplement on Sleep Quality
Athletic Greens International
- Location
- Santa Monica, CA
- Eligibility basics
- Ages 35–65
- RecruitingPhase 3
Clinical Assessment of Response in the Treatment of Depression With Daytime Sleepiness Using Solriamfetol
Axsome Therapeutics, Inc.
- Location
- Bellflower, CA + 35 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2/Phase 3
A Long-Term Study of ALKS 2680 in Subjects With Narcolepsy and Idiopathic Hypersomnia
Alkermes, Inc.
- Location
- Los Angeles, CA + 32 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 2
A Study of TAK-360 in Adults With Narcolepsy Without Cataplexy (NT2)
Takeda
- Location
- Chula Vista, CA + 24 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
A Study of Eloralintide (LY3841136) in Participants With Obstructive Sleep Apnea and Obesity or Overweight
Eli Lilly and Company
- Location
- Long Beach, CA + 22 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study Evaluating the Efficacy and Safety of Xywav Expanded Dosing vs Placebo in Participants With Narcolepsy or IH
Jazz Pharmaceuticals
- Location
- Irvine, CA + 14 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of ALKS 2680 in Adults With Narcolepsy Type 1
Alkermes, Inc.
- Location
- Los Angeles, CA + 21 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of ALKS 2680 in Adults With Narcolepsy Type 2
Alkermes, Inc.
- Location
- Los Angeles, CA + 21 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms
Janssen Research & Development, LLC
- Location
- Anaheim, CA + 41 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingPhase 3
A Study of Suvorexant (MK-4305) for the Treatment of Insomnia Disorder in Participants With Opioid Use Disorder (MK-4305-098)
Merck Sharp & Dohme LLC
- Location
- Garden Grove, CA + 12 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Idiopathic Hypersomnia (IH)
Harmony Biosciences Management, Inc.
- Location
- Redwood City, CA + 39 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Narcolepsy
Harmony Biosciences Management, Inc.
- Location
- Los Angeles, CA + 26 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study of Pitolisant in Patients With Prader-Willi Syndrome
Harmony Biosciences Management, Inc.
- Location
- Los Angeles, CA + 18 other US sites
- Eligibility basics
- Ages 6+
- RecruitingPhase 3
Studying Solriamfetol Modulation of TAAR-1, Dopamine, and Norepinephrine in Shift Work Disorder (SUSTAIN)
Axsome Therapeutics, Inc.
- Location
- Anaheim, CA + 37 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2
A Study of TAK-360 in Adults With Idiopathic Hypersomnia
Takeda
- Location
- Redwood City, CA + 12 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
Evaluating the Effects of Tasimelteon vs. Placebo in Treating Pediatric Insomnia
Vanda Pharmaceuticals
- Location
- Irvine, CA + 18 other US sites
- Eligibility basics
- Ages 2–17
- RecruitingPhase 2
A Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia
Centessa Pharmaceuticals (UK) Limited
- Location
- Long Beach, CA + 26 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2
A Long-term Extension Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia
Centessa Pharmaceuticals (UK) Limited
- Location
- Santa Ana, CA + 18 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2/Phase 3
A Study of TAK-861 for the Treatment of Selected Central Hypersomnia Conditions
Takeda
- Location
- Redwood City, CA + 18 other US sites
- Eligibility basics
- Ages 16–70
- RecruitingHealthy volunteers
UCLA Magnesium Formulation Athlete Study
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
UCLA REST Study (REsearch on Sleep Techniques)
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–22
- RecruitingHealthy volunteers
A Dyadic Sleep Health Approach for Persons With Alzheimer's Disease and Caregivers
University of California, Los Angeles
- Location
- La Jolla, CA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparing Two School-Based Sleep Health Interventions To Promote Sleep Quality in Youth
Children's Hospital Los Angeles
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 12–18
Who these studies look for
Sleep studies often ask about shift work, caffeine and alcohol use, and medicines that affect sleep. Overnight lab studies usually require you to keep a set sleep schedule beforehand.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.