У участников которые спали по 4 час

У участников которые спали по 4 часа, показатели были немного хуже чем у тех, кто спал по 6 часов день.

Results (English) 1:

Participants who slept on 4:0, the figures were a bit worse than those who slept on 6:0 day.

Results (English) 2:

Participants who slept 4 hours, the figures were slightly worse than those who slept 6 hours a day.

Results (English) 3:

The participants who slept for 4 hours, performance indicators have been a little worse than in those who have slept for 6 hours per day.