The woman rushed in panic to the older boy’s room — empty. Her heart sank. Mom burst into the nursery. There she saw something shocking and could barely whisper:

— Oh God… 

Continuation in the first comment 

The older boy was holding his little brother tightly to his chest, rocking him so he would fall asleep again.

— What are you doing? — mom asked in a trembling voice.

— Little brother woke up, I wanted to put him back to sleep, — the boy replied.

— Why didn’t you wake me up?