Table 4.
Core Body Temperature, Estradiol Levels, and Luteinizing Hormone Levels in 8 Postmenopausal Women Stratified by Sleep Efficiency
| Sleep efficiency, % | t-test | ||
|---|---|---|---|
| > 85 (n = 4) |
< 77 (n = 4) |
||
| Time of Tr measurement | Core temperature average, °C | ||
| Prior to sleep onset | 36.97 ± 0.15 | 37.43 ± 0.34 | t6 = 2.5, P < 0.05 |
| During SPT | 36.57 ± 0.19 | 37.05 ± 0.34 | t6 = 2.5, P < 0.05 |
| During SPT minus during awakenings > 5 min | 36.43 ± 0.09 | 36.92 ± 0.40 | t6 = 2.8, P < 0.05 |
| Hormone measured | Mean hormone levels obtained from 2000 - 0800, pg/mL | ||
| Luteinizing hormone | 21.7 ± 11.6 | 50.6 ± 5.7 | t6 = 4.5, P < 0.01 |
| Estradiol | 14.25 ± 4.70 | 7.62 ± 8.01 | t6 = 1.4, NS |