General Information

Official Name Portuguese Republic
Capital Lisbon
Area 92,082 Sq Km (35,553 Sq Mi)
Population 2003 10,102,022
Location Portugal is located in South West Europe occupying the western littoral of the Iberian Peninsula.
Geography The territory also includes the Azores, Madeira and Porto Santo Islands. It is bound by Spain to the north and east, and the Atlantic Ocean to the south and west.
Density (1991) 113 persons per sq km (292 persons per sq mi)
Urban-Rural (1990) 33.6% urban
66.4% rural
Sex Distribution (1989) 48.3% male
51.7% female
Life Expectancy at Birth (1990) 71.1 years male
78.1 years female
Age Breakdown (1987) 23% under 15
25% 15 to 29
19% 30 to 44
6% 45 to 59
12% 60 to 74
5% 75 and over
Birth Rate (1992) 12.0 per 1,000
Death Rate (1992) 13.5 per 1,000
Increase Rate (1992) -1.5 per 1,000
Infant Mortality Rate (1991) 10.8 per 1,000 live births

Sleep Habits

Sleep/wake schedule

The Portuguese population goes to sleep around 11:40PM and wakes up around 7:25 AM. They sleep on average 7 hours 13 minutes. On week ends or days off, they sleep about 55 minutes more than on week days. The bedtime is varying for more than one on six individuals while the wake up time is varying for one on 11 individuals


About one on 10 individuals are regularly napping. Nearly 3% of the population is napping at least two times in the same day.


One on seven individuals has difficulty falling asleep

  • One on five individuals has a disrupted sleep
  • One on 13 individuals wake up too early in the morning
  • One on ten individuals feels sleep is not refreshing

One individual on 12 complained about the quality or quantity of his or her sleep. This does not mean that all these individuals are insomniacs: only one on 12 individuals has a diagnosis of insomnia.


  1. Ohayon MM, Priest RG, Zulley J, Smirne S, Paiva T. Prevalence of narcolepsy symptomatology and diagnosis in the European general population. Neurology. 2002 Jun 25;58(12):1826-1833.