causal
Taking 3 grams of glycine before bed helps people spend more time actually sleeping while in bed, rather than lying awake.
Scientific Claim
A single 3g dose of glycine before bedtime significantly improves subjective sleep efficacy (ratio of sleep time to time in bed) in adults with chronic poor sleep (P=0.018).
Original Statement
“glycine significantly increased the subjective sleep efficacy (ratio of sleep time to the whole time in bed, P=0.018, Fig. 2c)”
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
The RCT design with statistical significance (P=0.018) supports causal language. The study specifically measured this outcome and found significant results.
Evidence from Studies
Supporting (1)
0
Contradicting (0)
0
No contradicting evidence found