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Table 2 Score of actigraphy items (Study 2)

From: Effects of L-serine ingestion on human sleep

Actigraphy item		Placebo	L-serine	P-value
Sleep latency	min	12.3 ± 6.0	7.2 ± 1.8	0.46
Sleeping time	min	360 ± 53	366 ± 38	0.56
Arousal time	min	21.6 ± 15.8	18.3 ± 17.6	0.72
Awake frequency	time(s)	8.1 ± 2.2	5.8 ± 3.1	0.08
Long wake episode	time(s)	2.9 ± 1.2	1.4 ± 3.1	0.38

Values are means ± SD. n =6.
Significant difference compared to Placebo by paired t-test.

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