1.   The constant tension was sapping my energy.

2.   The long trek in hot weather sapped our energy and emptied our water bottles.

3.   It was as if she had been playing a part with all her might for several months, but it had sapped her energy.

4.   But the surgeries sapped his energy and stole his active lifestyle.

5.   But today wealth has sapped any energy for politics or plotting.

6.   Commuting half an hour can sap your energy more than two hours at the office.

7.   Every kick he misses saps vital energy from the offense.

8.   Explain that these things are sapping the energy that should be devoted to tasks that have a higher payoff.

9.   Even nice changes can sap your energy.

10.   Having children saps your energy, your focus, your life in general, or so traditional wisdom would have you believe.