1 day of Rest, is very important for the human body:

Genesis 2: 2 Thus the heavens and the earth were finished, and all the host of them.

² And on the Seventh day God ended His work which He had made; and He rested on the Seventh day from all His work which He had made.

³ And God blessed the Seventh day!!! (7)(Sabbath) and Sanctified it: because that in it He had rested from all His work which God created and made.

⁴ These are the generations of the heavens and of the earth when they were created, in the day that the Lord God made the earth and the heavens,

⁵ And every plant of the field before it was in the earth, and every herb of the field before it grew: for the Lord God had not caused it to rain upon the earth, and there was not a man to till the ground.

⁶ But there went up a mist from the earth, and watered the whole face of the ground.

⁷ And the Lord God formed man of the dust of the ground, and breathed into his nostrils the breath of life; and man became a living soul. 1 & 3 & 8

Exodus 20: 8 "Remember the Sabbath day by keeping it Holy. 9 Six days you shall labor and do all your work, 10 but the seventh day is a Sabbath to the LORD your GOD. On it you shall not do any work, neither you, nor your son or your doughter, nor your male or female servant, nor your animals, nor any foreigner residing in your towns. 11 For in six days the LORD made the heavens and the earth, the sea, and all that is in them, but He rested on the seventh day. Therefore the LORD blessed the Sabbath day and made it Holy.

The FOURTH, of the TEN COMMANDMENTS of GOD! 47 & 4U!

1 & 3 & 8