bedtime

waking up

arriving at nursery school

before lunch

after lunch

going home

heart rate

0.032

0.045

−0.444*

−0.408

−0.241

−0.277

steps

0.717*

0.552*

−0.008

0.120

0.316

0.328

wake-up time

−0.091

−0.178

0.211

0.021

−0.157

−0.094

bedtime

−0.291

−0.427*

0.048

−0.109

−0.309*

−0.167

sleeping duration

0.173

0.337*

0.123

0.142

0.221

0.111