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Table 5 Comparison of sleep-stage-specific parameters of at-home sleep and laboratory sleep

From: Assessment of effects of total sleep deprivation and subsequent recovery sleep: a methodological strategy feasible without sleep laboratory

 

At-home sleep

Laboratory sleep

    

Study 1

Study 2

Study 3

Study 4

 

BL

RS

 

BL

RS

 

BL

RS

 

BL

RS

 

BL

RS

 
 

M (SD)

M (SD)

d

M (SD)a

M (SD)a

d

M (SD)a

M (SD)a

d

M (SD)

M (SD)

d

M (SD)

M (SD)

d

Duration non-REM 1 (minutes)

 28.25 (8.38)

29.70 (12.37)

0.137

34.3 (12.73)

18.1 (7.64)

− 1.543

20 (7.48)

7 (3.74)

− 2.198

32.93 (11.13)

19.74 (8.95)

− 1.306

–

–

–

Duration non-REM 2 (minutes)

 235.70 (44.77)

317.78 (58.95)

1.568

–

–

–

175 (33.68)

193 (33.68)

0.534

257.94 (26.83)

222.99 (38.28)

− 1.057

–

–

–

Duration SWS (minutes)

 86.12 (24.88)

146.58 (44.00)

1.532

90.4 (19.80)

136.2 (24.33)

2.065

132b (26.19)

231b (48.64)

2.534

54.87 (20.70)

102.13 (44.18)

1.370

–

–

–

Duration REM (minutes)

 68.93 (21.25)

87.27 (30.97)

0.689

–

–

–

84 (22.45)

112 (33.68)

0.978

103.99 (23.72)

100.19 (19.90)

− 0.174

–

–

–

  1. The table gives information about at-home sleep parameters as assessed in our study (values are presented as M (SD); see also Table 3). Sleep as assessed in laboratory studies is reported for four studies (values are presented as M (SD)). Study 1: Achermann et al. [29]; Study 2: Arnal et al. [10]; Study 3: Curcio et al. [11]; Study 4: De Gennaro & Ferrara [30]. As effect size Cohen’s d is reported
  2. REM = Rapid-Eye-Movement Sleep. SWS = Slow Wave Sleep (stages non-REM 3 and 4)
  3. aIn these studies, descriptive data was given as M ± SEM, thus, SD was calculated by multiplying SEM by the square root of N (sample size)
  4. bIn this study, values for the duration of non-REM 3 were reported