TableĀ 1

Sleep architecture for adolescents

Light sleep % (stages N1 & N2)Deep sleep % (stage N3)REM sleep % (stage R)
Normative57.022.021.0
Baseline50.527.122.4
Altitude-154.525.719.8
Altitude-255.524.719.8
Altitude-351.026.122.9
  • Sleep stages as a percentage of total sleep time. Data are presented for normal adolescent sleep (normative), and for the sleep of this study's participants during one night at near sea level (baseline) and three nights at high altitude (altitude-1, altitude-2 and altitude-3).