Evaluation of the effect of light on drowsiness

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000034600

Enrollment

Unknown

Registered

2020-07-11

Start date

2020-08-01

Completion date

Unknown

Last updated

2020-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

drowsiness/sleepiness

Interventions

experimental group:extra light

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-60 years; 2. No definite underlying disease; 3. Being involved or willing to take part in shift work; 4. Sign informed consent.

Exclusion criteria

Exclusion criteria: 1. Have severe liver and kidney disease; 2. Patients with epilepsy and mental illness; 3. Take sleep-related drugs 2 weeks before entering the group.

Design outcomes

Secondary

Measure	Time frame
Cognitive function;sleep;melatonin;Cognitive function;	—

Primary

Measure	Time frame
Subjective and objective alertness;	—

Countries

China

Contacts

Public ContactSu ChangJun

Tangdu Hospital, Air Force Military Medical University

changjunsu@163.com+86 13991387356

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026