Sleep Supplements Rick Has Actually Tested (Ranked)

By Rick — Sleep Made Simple  ·  June 2026
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The short version

Five supplements tested over two years with Oura data. Magnesium glycinate and L-theanine showed measurable effects. The others did not.

The Testing Methodology

Protocol: 30-day control period, 60-day trial period with one supplement, 30-day washout between trials. One supplement at a time. Oura Ring tracking throughout. Consistent dose and timing per supplement. Dr. Chen reviewed each protocol before the trial began. This is n=1 data with methodological care — not clinical research, but more rigorous than most consumer supplement evaluations.

Rick Recommends
Magnesium Glycinate
The top-ranked supplement in Rick's data — 7-minute sleep onset improvement in his 60-day trial.
Read the full review →

What Worked

Rank 1: Magnesium glycinate (400mg, 60 min before bed). Sleep onset improvement: 7 minutes. Readiness improvement: 3.2 points. Cost: ~$0.12/night. Rank 2: L-theanine (200mg, 60 min before bed). Sleep onset improvement: 4 minutes. Readiness improvement: 1.8 points. Cost: ~$0.08/night. Both showed consistent improvement above trial-to-trial noise.

What Did Not Work

Melatonin (0.5mg): 2-minute onset improvement — within margin of error. Dr. Chen's interpretation: low-dose melatonin works for circadian adjustment (jet lag, shift work), not sleep quality improvement for people on regular schedules. Rick's schedule is regular. Ashwagandha (KSM-66, 300mg): no measurable effect on any Oura metric over 60 days. Valerian root: no measurable effect. Trial discontinued at day 30.

The Dr. Chen Interpretation

Dr. Chen reviewed these results and noted: the magnesium and L-theanine effects are consistent with mechanistic evidence and published research. The melatonin result is consistent with research on low-dose melatonin for people without circadian disruption — Rick's circadian rhythm is well-established on a regular schedule, making melatonin the wrong intervention for his situation.

Sleep Made Simple earns commission on some links. Rick tracks all recommendations with Oura Ring data. Not medical advice.