Table 2.
Results of linear mixed model analysis for sleep stages with appetite-satiety ratings
| Minutes |
Percent |
|||||
|---|---|---|---|---|---|---|
| Coefficient | Standard error | P value | Coefficient | Standard error | P value | |
| Q1: How hungry do you feel right now?† | ||||||
| Stage 2 | −0.02 | 0.01 | 0.069 | −0.04 | 0.06 | 0.55 |
| SWS | −0.01 | 0.01 | 0.27 | −0.01 | 0.05 | 0.82 |
| REM | −0.03 | 0.01 | 0.031 | −0.07 | 0.07 | 0.32 |
| REM periods | 0.10 | 0.24 | 0.66 | −0.13 | 0.22 | 0.58 |
| Q2: How satisfied do you feel right now? | ||||||
| Stage 2 | 0.00 | 0.01 | 0.77 | −0.07 | 0.06 | 0.29 |
| SWS | 0.00 | 0.01 | 0.79 | −0.06 | 0.05 | 0.27 |
| REM | 0.02 | 0.01 | 0.25 | −0.01 | 0.07 | 0.91 |
| REM periods | −0.06 | 0.25 | 0.81 | −0.03 | 0.22 | 0.89 |
| Q3: How full do you feel right now? | ||||||
| Stage 2 | −0.02 | 0.01 | 0.095 | −0.08 | 0.05 | 0.15 |
| SWS | −0.02 | 0.01 | 0.12 | −0.09 | 0.05 | 0.056 |
| REM | 0.02 | 0.01 | 0.079 | 0.02 | 0.06 | 0.75 |
| REM periods | 0.16 | 0.22 | 0.46 | 0.08 | 0.19 | 0.67 |
| Q4: How much do you think you could eat right now? | ||||||
| Stage 2 | −0.01 | 0.01 | 0.54 | −0.03 | 0.07 | 0.70 |
| SWS | 0.00 | 0.02 | 0.83 | −0.01 | 0.06 | 0.87 |
| REM | −0.03 | 0.02 | 0.052 | −0.10 | 0.08 | 0.25 |
| REM periods | 0.07 | 0.29 | 0.82 | −0.06 | 0.26 | 0.81 |
| Q5: How much would you like to eat something sweet right now?† | ||||||
| Stage 2 | −0.04 | 0.02 | 0.015 | −0.24 | 0.11 | 0.040 |
| SWS | −0.02 | 0.02 | 0.35 | −0.15 | 0.09 | 0.11 |
| REM | −0.03 | 0.03 | 0.31 | −0.17 | 0.13 | 0.20 |
| REM periods | −0.11 | 0.43 | 0.79 | −0.49 | 0.39 | 0.22 |
| Q6: How much would you like to eat something salty right now? | ||||||
| Stage 2 | −0.03 | 0.02 | 0.046 | −0.17 | 0.10 | 0.083 |
| SWS | 0.01 | 0.02 | 0.74 | −0.10 | 0.08 | 0.22 |
| REM | −0.01 | 0.02 | 0.71 | −0.11 | 0.11 | 0.31 |
| REM periods | 0.23 | 0.37 | 0.53 | 0.01 | 0.34 | 0.97 |
| Q7: How much would you like to eat something savory right now? | ||||||
| Stage 2 | −0.03 | 0.02 | 0.11 | −0.12 | 0.10 | 0.23 |
| SWS | 0.00 | 0.02 | 0.84 | −0.06 | 0.08 | 0.52 |
| REM | −0.04 | 0.02 | 0.095 | −0.14 | 0.11 | 0.22 |
| REM periods | 0.23 | 0.38 | 0.55 | −0.03 | 0.35 | 0.93 |
| Q8: How much would you like to eat fruits & vegetables right now? | ||||||
| Stage 2 | −0.01 | 0.02 | 0.37 | −0.02 | 0.10 | 0.85 |
| SWS | 0.00 | 0.02 | 0.94 | 0.04 | 0.08 | 0.63 |
| REM | −0.04 | 0.02 | 0.065 | −0.08 | 0.11 | 0.50 |
| REM periods | 0.03 | 0.39 | 0.94 | −0.17 | 0.35 | 0.63 |
Sleep stages were expressed as minutes and percent total sleep time. Analyses were adjusted for age, sex, weight, and sleep phase condition. Q, question;
†
Under Minutes heading, significant effect of sleep phase covariate (Q1: P = 0.009; Q5: P = 0.017).