We need sleep. I once was the fool who thought running on as little sleep as possible demonstrated toughness. Maybe so under certain circumstances but as a practice it is weakness.

It's true that the slothful man sleeps too much.

Proverbs 24 warns:

“‘A little sleep, a little slumber, a little folding of the hands to rest,’ then your poverty will come as a robber and your want like an armed man.”

It's good to not want to be this man. He is pathetic.

But, as with many things, there are ditches on both sides of the roads when it comes to sleep.

Too much sleep is bad—but so is too little.

Psalm 127 says, “It is vain for you to rise up early, to retire late, to eat the bread of painful labors.”

The man that sleeps too much presumes that God or others will make up for his slack.

The man that sleeps too little presumes that it is through his labors alone that his needs will be met.

Both are wrong. Psalm 127:1 says, “Unless the Lord builds the house, they labor in vain who build it.”

We need to work hard and rest hard.

God makes rich the hands of the diligent, but that diligence must be done trusting in the providence of God. That allows you to rest in His goodness.

Hence, Psalm 127 also tell us that God “gives to His beloved sleep.” Sleep, brothers. Rest easy knowing "He who keeps you will not slumber" (Ps 121:3).

From " It's good to be a man"