You labor in vain.

Psalms 127:1-2
"A Song of Ascents. Of Solomon. Unless the LORD builds the house, those who build it labor in vain. Unless the LORD watches over the city, the watchman stays awake in vain. It is in vain that you rise up early and go late to rest, eating the bread of anxious toil; for he gives to his beloved sleep."

You are completely useless. In fact, without God you can do literally nothing (John 15). Isn't that ridiculous? What's perhaps even more sad is how much we genuinely believe ourselves capable of.

Think of that successful CEO. Think of all he' accomplished. And then think about what God thinks of it... Worthless. Labor done in vain.

That is unless it is done unto the Lord. But think about what you have built? A house, a toy train, or your social network. Think about your kingdom. How often are we out to build our kingdom? And in vain.

But for some reason, to those whom He loves, God gives sleep. Rest. It all of a sudden becomes meaningful to arise early and go to bed late. Your labor will be of value and I believe this verse tells us that the Lord will even bless us with physical sleep.
Now I don't think this is a verse about overexertion. Or that ridiculous attitude we have of work work work. Yes the Lord will bless our toil and it will not be in vain, but His blessing is sleep! How many of us understand rest? Especially those of us still trying to earn His love (we all are at times, such a silly easy trap to fall into).

So turn to the Lord. Labor no longer in vain. Seek Him early in the morning and late at night. And He will give you rest.

One thing is for sure. Those who sought the Lord earnestly were not heroes of the faith by mere chance.
And the Lord gave them sleep.