No, this isn’t about nightmares or airplanes, this is about sleeping gear made by a Canadian mom who understands babies, sleep, and convenience.

1. The stretchy fabric used to make their sleep sacs means baby can kick all she likes while she sleeps (plus it’s also breathable and fire proof.)

2. The zipper system at the bottom means you can easily open up for a diaper change.

3. Openings in between the legs means baby can be transferred from crib to car seat without undressing, the straps can just pass right through the sac.

4. The sac snaps up to a dress-like shape if your toddler wants a bit of playtime before bed.

5. They look good. Yes, this counts for a lot, too.

—Alexandra Suhner Isenberg

Sleep sacs, $79.99, from Sweet Dreams and Flying Machines, www.sweetdreamsandflyingmachines.com