Co-sleeping can provide a sense of security, closeness and comfort for both you and pup.
Bonding & Comfort
Dog movements, snoring or demands to go out can disrupt human sleep cycles.
Potential Disturbances
Bed hogs can decidedly shrink usable sleeping space for couples.
Space Issues
Dog dander proximity can exacerbate nighttime allergy symptoms for sensitive owners.
Allergies
Young pups may still have overnight potty accidents on plush bedding.
Accidents
Letting dogs sleep at human head level could spur possessive behavior.
Dominance Issues
Dog-to-human disease transmission is rare but possible via pet parasites.
Health Risks