Increased Daily Sleep Duration
| Supplement | Research Paper | Effect Type | Effect Size |
|---|---|---|---|
| Bifidobacterium bifidum/lactis Bb-02 | 10.3920/BM2020.0233 | Beneficial | Large |
| Bifidobacterium lactis BB-12 | 10.3920/BM2020.0233 | Beneficial | Large |
| Bifidobacterium lactis HDS Bb-02 | 10.3920/BM2020.0233 | Beneficial | Large |