Using actigraphy feedback to improve sleep in soldiers: an exploratory trial.

Area of Science:

• Sleep science
• Occupational health
• Military medicine

Background:

• Soldiers returning from combat deployment are a high-risk group for sleep disturbances.
• Poor sleep can negatively impact cognitive function and mental health in military personnel.

Purpose of the Study:

• To evaluate the effectiveness of actigraphy combined with personalized feedback in improving sleep for recently deployed U.S. soldiers.
• To assess the impact of this intervention on sleep problems, sleep duration, and related health outcomes.

Main Methods:

• A subsample of soldiers used an actigraph for 3 weeks and received personalized sleep feedback.
• Propensity score matching was used to compare the intervention group with a control group.
• Sleep patterns, sleep problems, and cognitive functioning were assessed at baseline and follow-up.

Main Results:

• Soldiers using the actigraph reported significantly fewer sleep problems and more sleep hours compared to the control group.
• No significant differences were found in functioning, somatic symptoms, or mental health outcomes (PTSD, depression).
• The intervention was more beneficial for soldiers with higher baseline somatic symptoms.

Conclusions:

• Actigraphy with personalized feedback is a potentially effective and scalable intervention for improving sleep in high-risk occupational groups.
• This method may help mitigate sleep disturbances common in military populations post-deployment.