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Table 3 General overview of results referring other factors

From: High sleep quality can increase the performance of CrossFit® athletes in highly technical- and cognitive-demanding categories

Variable

  

High sleep quality

Poor sleep quality

Sleep quality

Absolute (Relative) Frequency

Very Good

33 (35%)

0 (0%)

Rather Good

59 (63%)

27 (48%)

Rather Bad

0 (0%)

27 (48%)

Very Bad

1 (1%)

2 (4%)

Sleep duration

Absolute (Relative) Frequency

3–4 Hours

0 (0%)

1 (2%)

5–6 Hours

7 (8%)

33 (59%)

7–8 Hours

82 (88%)

20 (36%)

9–10 Hours

4 (4%)

2 (4%)

Influence on mental performance

Absolute (Relative) Frequency

Small–No Influence

10 (11%)

6 (11%)

Moderate–strong influence

83 (89%)

50 (89%)

Influence on physical performance

Absolute (Relative) Frequency

Small–no influence

11 (12%)

11 (20%)

Moderate–strong influence

82 (88%)

45 (80%)

Sleep tracking/optimization

Absolute (Relative) Frequency

Yes

32 (34%)

27 (48%)

No

61 (66%)

29 (52%)