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Table 1 Sleep structures over 3 h and final 30 min

From: Increased cerebral blood flow in the right frontal lobe area during sleep precedes self-awakening in humans

  

Success (n=7)

Failed (n=8)

Condition

Results

  

Request

Surprise

Request

Surprise

F [1, 13] (p-value)

F [1, 13] (p-value)

3 h

Wake (min)

14.14 ± 13.70

19.79 ± 11.10

38.31 ± 12.82

26.00 ± 10.38

0.15 (0.70)

1.05 (0.32)

 

aS1 (min)

7.86 ± 2.62

6.29 ± 3.83

11.81 ± 2.45

16.94 ± 3.58

0.41 (0.53)

4.25 (0.06)

 

bS2 (min)

52.86 ± 10.69

43.14 ± 7.53

55.56 ± 10.00

69.06 ± 7.05

0.17 (0.69)

1.49 (0.25)

 

cSWS (min)

71.00 ± 12.67

58.57 ± 11.88

51.38 ± 11.85

50.63 ± 11.12

1.49 (0.24)

0.75 (0.40)

 

dREM (min)

15.79 ± 5.19

14.00 ± 5.23

22.31 ± 4.85

9.13 ± 4.89

3.12 (0.10)

0.02 (0.89)

 

eTST (min)

147.50 ± 17.29

122.00 ± 12.83

141.06 ± 16.17

145.75 ± 12.01

1.01 (0.33)

0.23 (0.64)

 

SleepLatency (min)

6.14 ± 2.27

3.29 ± 1.19

4.50 ± 2.12

4.00 ± 1.11

1.25 (0.77)

0.06 (0.82)

 

fWASO (min)

14.29 ± 15.14

16.86 ± 11.69

36.38 ± 14.16

24.25 ± 10.94

0.31 (0.28)

0.80 (0.39)

 

Arousal Index (h)

7.09 ± 1.98

9.01 ± 2.14

6.61 ± 1.83

7.71 ± 1.98

1.32 (0.27)

0.13 (0.73)

 

Number of Movements

6.33 ± 2.36

6.17 ± 2.08

7.86 ± 2.19

5.71 ± 1.92

1.08 (0.32)

0.04 (0.85)

Final 30 min

 

Wake (min)

3.07 ± 1.09

4.43 ± 1.98

4.13 ± 2.04

8.88 ± 3.09

1.19 (0.29)

0.39 (0.54)

 

aS1 (min)

1.57 ± 0.95

0.93 ± 0.37

0.56 ± 0.29

2.50 ± 1.60

0.54 (0.47)

0.06 (0.80)

 

bS2 (min)

5.14 ± 2.06

12.79 ± 3.52

7.69 ± 2.88

11.31 ± 3.99

3.38 (0.09)

0.02 (0.88)

 

cSWS (min)

9.93 ± 4.25

9.00 ± 2.84

7.38 ± 4.07

3.19 ± 2.45

0.95 (0.35)

1.01 (0.33)

 

dREM (min)

3.71 ± 2.52

0.50 ± 0.36

7.88 ± 3.81

4.13 ± 3.59

1.04 (0.33)

2.17 (0.16)

 

eTST (min)

20.36 ± 4.15

23.21 ± 4.13

23.50 ± 4.15

21.13 ± 4.60

0.02 (0.89)

0.01 (0.93)

  1. Request: experimental condition where subjects were instructed at bedtime to wake up at 03:00.
  2. Surprise: experimental condition where subjects were instructed at bedtime to wake up at 08:00, but were unexpectedly woken at 03:00.
  3. Success: when a subject could self-awaken at 03:00 ± 30 min.
  4. Failure: when a subject could not awaken spontaneously at 03:00 ± 30 min.
  5. astage 1 sleep; bS2: stage 2 sleep; cSWS: stage 3+4 sleep; dREM: stage rapid eye movement sleep; eTST: total sleep time; fWASO: wake after sleep onset. *p < 0.05.