Subject number

Motivated activity^a

Engaged activity^b

Communication ability

Wandered around

Nap

Night-time awakening

Correlation^c

Waking time LF/HF and AC

Waking time HF and AC

Sleeping time LF/HF and AC

Sleeping time HF and AC

4

Good

Good

Good

Not observed

20 min. at AM

Not observed

0.32

^***

−0.25

^**

n.s.

n.s.

7

Good

Good

Good

Not observed

10 min. at PM

Not observed

0.17

^*

−0.23

^**

n.s.

n.s.

8

Good

Good

Good

Not observed

Not observed

Once for bathroom

0.31

^***

n.s.

n.s.

n.s.

1

Good

Good

Good

Not observed

8 min. at AM

Not observed

n.s.

n.s.

n.s.

n.s.

5

Not good

Not good

Good

Not observed

Not observed

Not observed

n.s.

n.s.

0.42

^***

−0.19

^*

6

Good

Not good

Good

Not observed

20 min. at PM

Once for bathroom

-0.16

^*

n.s.

n.s.

n.s.

2

Not good

Not good

Not good

Not observed

Not observed

Not observed

-0.34

^***

n.s.

n.s.

n.s.

9

Not good

Not good

Not good

Not observed

Not observed

2 hours

n.s.

−0.19

^*

n.s.

n.s.

3

Not good

Good

Good

Observed

Not observed

Twice for bathroom

n.s.

n.s.

n.s.

n.s.