Frolicking otters are a common sight around Singapore. But what about sleepy ones?

One Mothership contributor witnessed a bevy of otters fast asleep not in their holt, which is usual for the water-going mammals, but under a bridge instead.

Under the bridge

The contributor was out for an early morning jog, headed to Pasir Ris Park, when he came across the snoozing group.

The six otters were curled up next to one another under a bridge.

The lights were turned on, but that didn't seem to bother them.

As he watched, the otters yawned and shifted around, but didn't move from their spot.

Otters usually sleep in holes in riverbanks called holts, with multiple entrances to protect against flooding.

The otters appear to be part of the Pasir Ris family, that were seen engaged in their own adventures in the past.

If you do stumble across sleepy otters, it's best not to get too close or startle them awake.

After all, otters need their rest too.

And humans need to keep a safe distance.

Top image from a Mothership contributor.