stadia spánku
fáze spánku
N1 spánek
N1-Sleep
N2 spánek
N2-Sleep
non-REM stadium 1
non-REM stadium 2
NREM 1
NREM 2
NREM stadium 1
NREM stadium 2
NREM Stage 1
NREM Stage 2
spánek - stadia
spánek N1
spánek N2
spánek
somnolence
spánek pomalých vln
spánek REM
Sleep Stages
MESH
(5) - MESH