Table 1:
Chronotypes of each participant.
Subject
Age (years)
Chronotype
Females
1
13
3
2
12
3
3
12
3
4
13
4
5
15
3
6
14
3
7
14
4
8
14
3
9
14
3
Female mean
±
S
D
1
3
.
4
±
1
.
0
3
.
2
±
0
.
4
Males
10
17
1
11
17
1
12
17
1
13
16
4
14
15
4
15
17
4
16
17
3
17
16
5
18
17
1
Male mean
±
S
D
1
6
.
5
±
0
.
7
2
.
7
±
1
.
7
mean average ± SD
15 ± 1.8
2.9 ± 1.2