Sleep quality perception in youth population

Objective: to assess sleep habits and sleep quality perception in a Colombian and Mexican youth
sample. Materials and methods: following a sleep diary methodology with a questionnaire of 27
categorical and quantitative items, the assessment was done immediately upon awakening. Results:
it was applied to 317 high school (n= 189) and undergrads (n= 128) in Bogotá, Colombia (n= 197)
and México City, México (n= 120); 147 females (46,4%) and 170 males (53,6%). The mean age
was 18,6 ± 2,81 years with a median and mode of 17 years. The Cronbach’s alpha obtained from
135 measurements during the study period was 0,86 and 0,57 from the mean values of 27 scale
items. An inverse correlation was found between hours of sleep per night and number of naps (r=
-0,12; p= 0,029); 38% of participants did not nap and slept on average 7,6 night hours or more
(X2= 2,78; p= 0,047). The men took more naps than women (men 76,5%; women 55,6%; X2=
15,26; p= 0,000). A reduction of hours of sleep per night and the need for naps was significantly
associated with participants’ gender. The mean and median hours of sleep per night (7,2 hours)
was used to classify the population into two groups: sleep (+) 7,3 or more hours and sleep (-) 7,2
hours or less. These groups were compared. Conclusions: youth population evaluated showed a
reduction of hours of sleep per night. This was associated to naps frequency and participant gender