Light Sleep: Screen Use and Sleep Health (LS)

The Pennsylvania State University (PENNSTATE)

Status: Completed

Conditions: Glasses

Treatments: Device: Blue light-blocking glasses; Device: Glasses with clear lenses

Study type: Interventional

Funder types: Other

Identifiers

NCT05342662

STUDY00019746

Details and patient eligibility

About

The Phone Sleep Study is being done to find out whether wearing blue light-blocking glasses in the evening improves subsequent sleep. This is a 21-day study and participants will be asked to wear a sleep-monitoring "actiwatch", a heart tracker, and an activity monitor, as well as to provide screenshots of participants' smartphone's screen time app for three weeks. Participants will also be asked to wear a blood pressure cuff on their arm for three days during each week, for a total of nine days.

Enrollment: 34 patients

Sex: All

Ages: 18 to 29 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

1. Fluent English speaker and reader
2. Capable of providing one's own informed consent
3. Age 18 to 29 years old
4. Healthy, sighted individuals
5. Own an iOS smartphone (iPhone)
6. Willingness to update smartphone to access the current version of the Screen Time or StayFree application, depending on smartphone operating system
7. Willingness to participate in surveys, wear health monitoring devices, and provide screenshots of their smartphone's screentime application throughout the entire study

Exclusion criteria

1. Younger than 18 or older than 29 years
2. Individuals who are blind or wear corrective lenses
3. Taking prescribed medications that affect sleep
4. Recent shift work
5. Sleep disorder diagnosis or any cardiovascular disease

Trial design

Primary purpose: Other

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: Single Blind

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34 participants in 2 patient groups, including a placebo group

Blue light-blocking glasses

Experimental group

Description:

Participants will wear blue light-blocking glasses to evaluate whether sleep behaviors improve.

Treatment:

Device: Blue light-blocking glasses

Glasses with clear lenses

Placebo Comparator group

Description:

Participants will wear glasses with clear lenses to serve as the control condition.

Treatment:

Device: Glasses with clear lenses