Medical disclaimer: SnoozeVerdict summarizes what people say about sleep supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you are pregnant, take medicines (including sleep or mood medicines), or have a medical condition. Poor sleep that lasts for months, loud snoring or gasping at night, or falling asleep during the day while driving or working needs a doctor, not a supplement. Full disclaimer.

Melatonin vs Magnesium (form not stated)

On Reddit, owners rate Magnesium (form not stated) higher overall (4.2 vs 3.7). Scores summarize self-reported experiences and are not evidence that either will work for you.

MelatoninMagnesium (form not stated)
Typetablets, capsules or gummiescapsules, tablets or powder
SnoozeVerdict score3.74.2
Owner sentiment3.23.6
Recommendations4.55.0
Tolerability4.14.6
Owner comments1212938
Rated comments637487
Unwanted effects reported22%9%
Top praiseDose & timing, Falling asleep fasterDose & timing, Deeper sleep
Top complaintsSide effects, Dose & timingSide effects, Dose & timing

By sleep problem

ContextMelatoninMagnesium (form not stated)
Falling asleep62 of 94 positive37 of 41 positive
Staying asleep36 of 58 positive20 of 25 positive
Morning grogginess14 of 76 positive12 of 30 positive
Deep sleep21 of 22 positive30 of 36 positive
Anxiety at night12 of 26 positive15 of 23 positive
Vivid dreams9 of 48 positive3 of 9 positive
Jet lag & shift work22 of 30 positive4 of 4 positive

What owners say about Melatonin

4/5 Morning grogginessSide effects

“Honest take, melatonin helps a lot of people fall asleep a bit faster at first, but it never felt like deep, natural sleep for me, and bigger doses left me groggy.”

owner comment via r/sleep · 2026-09-22 · 5 upvotes
2/5

“I think the correct dose for most ppl is 0.25-0.5mg, and more is not better with Melatonin.”

owner comment via r/sleep · 2026-08-12 · 19 upvotes
2/5 Side effects

“I had a similar experience and I can feel what you are going thru rn because I went thru the same shit myself , here is my take , melatonin might have been the trigger for the first bad nights of sleep but it's believe that afterwards you…”

owner comment via r/insomnia · 2026-05-11 · 3 upvotes

Full Melatonin page →

What owners say about Magnesium (form not stated)

4/5 Deeper sleep

“Magnesium -- I started taking it for the muscle cramps after long runs and it turned out to help with general sleep quality too, which I wasn't expecting.”

owner comment via r/Supplements · 2026-06-15 · 42 upvotes
4/5

“the problem is when you do that you have no idea what caused what, like my sleep improved a lot but was it the magnesium or the b12 or just coincidence.”

owner comment via r/Supplements · 2026-07-09 · 41 upvotes
4/5 Deeper sleep

“magnesium helped a bit but adding glycine made me actually sleep through the whole night without that 3am wide awake moment”

owner comment via r/sleep · 2026-08-27 · 22 upvotes

Full Magnesium (form not stated) page →

More detail: Melatonin side effects · Magnesium side effects · Magnesium dosage and timing

Talk to a doctor or pharmacist before switching or combining supplements, particularly if you take other medicines.