Chronic short sleep
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) habitually sleep an average of 7 hours or less per night; 2) perceive a need for at least 30 minutes more sleep than their current duration; 3) are between 18-29 years old; 4) are proficient in Chinese; 5) are right-handed; 6) have no major physical or psychological conditions, including sleep disorders; 7) do not take naps of more than 90 minutes or more than twice a week; 8) do not share their bed with others or pets.
Exclusion criteria
Exclusion criteria: 1) current sleep disorders as indicated by screening interview, Sleep Condition Indicator (SCI, Wong et al., 2017), the Global Sleep Assessment Scale (GSAS, Roth et al., 2002), and Polysomnography (PSG) recording; 2) history of sleep disorders, head trauma or psychiatric conditions as indicated by screening interview; 3) chronic illness or acute conditions interfering with sleep or general cognitive/affective functioning; 4) current use of medication or substances known to affect sleep or cognitive/affective functioning; 5) overnight shift work in the 2 weeks before the study protocol; 6) bed-sharing with others (*room-sharing is permissible unless the participant reckons that the related uncontrollable factors of roommates would preclude or undermine sleep extension).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sleep duration; | — |
Secondary
| Measure | Time frame |
|---|---|
| Emotional functioning;Behavior change characteristics; | — |
Countries
China
Contacts
The Education University of Hong Kong