Down the bed

We would place Brandon into his cot or on the mattress after he falls asleep at nite. Occassionally, he'll wake up in the wee hours and insist on sleeping on our bed. This happened again 2 days ago, and alas... the most feared had to happen. We heard a "thump" halfway thru out sleep. Woke up only to find Brandon on the floor crying. Oops... he fell off the bed! Lucky, no 'baluku' or any injuries...