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Effects of Exercise Timing on Sleep Quality

NCT07322276 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 42

Last updated 2026-06-03

No results posted yet for this study

Summary

Modern lifestyles are marked by a prevalence of sedentary behaviors and physical inactivity, which have been linked to numerous adverse health effects. While regular physical exercise is a well-established countermeasure, exercising in the late afternoon may paradoxically disrupt deep sleep due to increased core body temperature. Inactive and sedentary individuals, who often have impaired autonomic function compared to endurance-trained athletes, may be particularly susceptible to these negative effects, potentially resulting in compromised thermoregulation and exacerbated disruptions to deep sleep, a critical stage of sleep essential for overall recovery. Therefore, this study aims to investigate the impact of aerobic exercise performed in the late afternoon versus morning on: 1) deep sleep and sleep onset latency; and 2) core body temperature and its autonomic regulatory mechanisms on endurance-trained and inactive-sedentary people.

Conditions

  • Healthy Endurance Athlet
  • Inactive People

Interventions

OTHER

Aerobic Exercise

The exercise consists of running on a treadmill at 90% of maximum aerobic speed (MAS) for 30 minutes, followed by 12% increments every 5 minutes, until exhaustion (a "time-to-exhaustion" type of exercise).

Sponsors & Collaborators

  • Centre Hospitalier Universitaire de Saint Etienne

    lead OTHER

Principal Investigators

  • Frédéric ROCHE, PhD · Centre Hospitalier Universitaire de Saint Etienne

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-01-23
Primary Completion
2029-01-31
Completion
2029-05-31

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07322276 on ClinicalTrials.gov