Tool
Supplement comparison tool
Pick up to 4 knowledge base entries and compare their dosage, price, evidence strength and ratings side by side — you can save or share a link to your selection.
Add to comparison (2/4)
| Category | Sen i regeneracja | Sen i regeneracja |
| Evidence strength | Strong evidence | Strong evidence |
| Evidence Score | 5/5 | 5/5 |
| User rating | 4.7 (82) | 4.8 (156) |
| Typical dose | — | — |
| Form | — | — |
| Average price | — | — |
| Monthly cost | — | — |
| Time to effects | The first episode of deep slow-wave sleep (N3) usually appears within 30-45 minutes of falling asleep, and the share of REM sleep grows with each successive cycle, reaching its longest episodes in the second half of the night, just before natural waking. | Subjective improvement in alertness and mood is felt after a single night of good sleep; correlations with lower risk of chronic disease and death observed in cohort studies concern years of consistent sleep patterns. |
| Who it's for | Practically anyone interested in understanding why sleep quality and structure matter independent of total duration | Practically everyone — sleep affects metabolic, cardiovascular, immune, and cognitive health simultaneously |