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 | Moderate evidence | Strong evidence |
| Evidence Score | 3/5 | 5/5 |
| User rating | 4.4 (112) | 4.8 (156) |
| Typical dose | 1–5 minutes in water below 15°C, several times a week | — |
| Form | Cold shower, ice bath, or natural body of water (winter swimming) | — |
| Average price | — | — |
| Monthly cost | — | — |
| Time to effects | Subjective improvement in alertness and mood is felt almost immediately after exposure. | 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 | People looking for a subjective boost in mood and alertness | Practically everyone — sleep affects metabolic, cardiovascular, immune, and cognitive health simultaneously |