Study 1 - Required sample size for each race, for significance = 0.05 and power = 0.8

                             Cohen's d Sample Size
Unfair Treatment             0.3811274   109.03652
Diary Sleep Quality          0.0000000         Inf
PSQI Sleep Quality           0.3312776   144.00504
Epworth Sleepiness           0.0256008 23952.28271
Actigraphy - Duration (hr)  -0.8460413    22.93190
Actigraphy - Efficiency (%) -0.6207474    41.72112

Study 2 - Required sample size for each race, for significance = 0.05 and power = 0.8

                   Cohen's d Sample Size
Unfair Treatment -0.35348171    126.6003
Day SBP           0.02706288  21434.2362
Day DBP           0.33739837    138.8626
Night SBP         0.13950884    807.5150
Night DBP         0.19456435    415.6397
Night/Day SBP     0.16069050    608.8956
Night/Day DBP     0.00000000         Inf

Study 3 - Required sample size for each gender, for significance = 0.05 and power = 0.8

                 Cohen's d Sample Size
PD-Lifetime     0.31802320   156.17594
PD-Exclusion   -0.06161944  4135.25181
PD-Stigma       0.43822814    82.71168
PD-Work/School  0.31136224   162.88752
PD-Threat       0.19712938   404.91847
HF-HRV         -0.40722462    95.63035