Nature and Science of Sleep
Journal metrics
Annual Clarivate and SCImago indicators.
| Year | JCR | SJR | ||||
|---|---|---|---|---|---|---|
| IF | IF quartile | Rank (percentile) | SJR | SJR quartile | Rank (percentile) | |
| 2025 | 3.4 | Q2 | 67.2% | 1.025 | Q2 | 84.5% |
| 2024 | 3.4 | Q2 | 73.0% | 1.154 | Q1 | 87.6% |
| 2023 | 3.0 | Q2 | 54.5% | 0.956 | Q2 | 84.4% |
| 2022 | 3.4 | Q2 | 50.3% | 0.875 | Q2 | 83.0% |
| 2021 | 3.4 | Q3 | 42.1% | 0.973 | Q1 | 86.0% |
| 2020 | — | — | 1.715 | Q1 | 94.1% | |
| 2019 | — | — | 1.170 | Q1 | 88.8% | |
| 2018 | — | — | 0.839 | Q2 | 79.8% | |
Impact history
Annual SJR and Impact Factor trend.
SJRIF
Journal record
ISSN
1179-1608
country
NZcoverage
2009-2026