Sleep Hygiene Strategies Among Track and Field Athletes

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

66 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-09-01

Study Completion Date

2024-10-17

Brief Summary

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This study aims to evaluate whether different ways of delivering sleep hygiene strategies (SHS)-written materials versus one-on-one verbal instruction-affect sleep behaviors in track and field athletes. Sleep is essential for athletic recovery and performance, yet many athletes struggle to get enough rest due to both lifestyle and sport-related factors.

Sixty-six athletes were randomly assigned to one of three groups: a control group with no intervention, a group receiving SHS in written form, and a group receiving SHS through a personalized verbal session with a sleep specialist. The intervention lasted 10 consecutive days, and the same strategies were shared with both intervention groups. These strategies included advice on bedtime consistency, reducing screen use before sleep, improving sleep environment, and managing naps.

To monitor changes, participants wore an actigraphy device and completed sleep and training diaries during a 10-day baseline period (before SHS) and again during the 10-day intervention period. Researchers assessed objective sleep parameters like total sleep time, sleep efficiency, and sleep latency, as well as subjective habits using the Sleep Hygiene Index questionnaire.

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Detailed Description

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Sleep is vital for athletes, supporting both physical recovery and mental performance. Despite this, many athletes sleep less than recommended due to demanding training schedules, competition stress, travel, and lifestyle factors. Poor sleep impairs recovery, increases injury risk, and reduces athletic performance. One way to address this issue is through Sleep Hygiene Strategies (SHS)-a set of behavioral recommendations that help improve sleep quality and duration.

This randomized controlled trial aims to explore whether the way SHS are delivered-either through written instructions or via verbal education-affects athletes' sleep behaviors and outcomes. The study involves 66 track and field athletes, both male and female, aged 18-40, who train actively at least 2.5 hours per week. Participants are randomly assigned to one of three groups: (1) a control group with no intervention, (2) a group that receives SHS in a written format, or (3) a group that receives SHS via a 40-minute one-on-one verbal session with a trained sleep and sports science professional. The SHS are general and evidence-informed, focusing on optimizing bedtime routines, limiting electronic use before sleep, adjusting environmental factors like noise and temperature, and managing naps effectively.

Each participant has to complete a 10-day baseline sleep monitoring period and a 10-day intervention monitoring period. Sleep is measured using actigraphy (a wrist-worn movement sensor) and self-reported sleep diaries. Additional tools included a training diary and the Sleep Hygiene Index (SHI), a questionnaire is use to assess sleep-related habits.

Conditions

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Sleep Athlete

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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CON

Partecipants do not received sleep hygiene in the second timepoint

Group Type NO_INTERVENTION

No interventions assigned to this group

W-SHS

An intervention group following 10 consecutive days of sleep hygiene strategies administered in a written format

Group Type ACTIVE_COMPARATOR

Written Sleep Hygiene Strategies (W-SHS)

Intervention Type BEHAVIORAL

Participants assigned to the W-SHS group received a printed handout containing general sleep hygiene strategies. These strategies were designed to improve sleep quality and included recommendations on maintaining a consistent sleep-wake schedule, minimizing light exposure before bedtime, avoiding screens and heavy meals in the evening, optimizing the sleep environment (e.g., room temperature, noise), and managing nap timing. Participants were instructed to apply these strategies consistently for 10 consecutive days. No individual guidance was provided.

V-SHS

An intervention group following 10 consecutive days of sleep hygiene strategies administered in a verbal format throught an educational session

Group Type ACTIVE_COMPARATOR

Verbal Sleep Hygiene Strategies (V-SHS)

Intervention Type BEHAVIORAL

Participants in the V-SHS group received the same general sleep hygiene strategies as the W-SHS group, but delivered through a one-on-one verbal education session. A trained researcher in sleep and sport science conducted a 40-minute session with each athlete, explaining each strategy and offering personalized clarifications and suggestions. Participants were then instructed to implement these strategies over a 10-day period.

Interventions

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Written Sleep Hygiene Strategies (W-SHS)

Participants assigned to the W-SHS group received a printed handout containing general sleep hygiene strategies. These strategies were designed to improve sleep quality and included recommendations on maintaining a consistent sleep-wake schedule, minimizing light exposure before bedtime, avoiding screens and heavy meals in the evening, optimizing the sleep environment (e.g., room temperature, noise), and managing nap timing. Participants were instructed to apply these strategies consistently for 10 consecutive days. No individual guidance was provided.

Intervention Type BEHAVIORAL

Verbal Sleep Hygiene Strategies (V-SHS)

Participants in the V-SHS group received the same general sleep hygiene strategies as the W-SHS group, but delivered through a one-on-one verbal education session. A trained researcher in sleep and sport science conducted a 40-minute session with each athlete, explaining each strategy and offering personalized clarifications and suggestions. Participants were then instructed to implement these strategies over a 10-day period.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* male or female
* age between 18 and 40 years,
* FIDAL athletes,
* training for any track and field discipline for three or more times per week and over 2.5 hours of training/week.