Whether you’re more of a dog or a cat person these adorable photos are guaranteed to melt your heart. This heart-warming collection of images capture sleepy puppies dressed in their pyjamas before they hit the hay. In the sweet images doting owners have made sure their beloved pets are wearing their most comfortable ensembles to promise a comfortable snooze. And while some may argue that dogs don’t need nightwear these pictures prove PJs are a hit with canines as owners capture their pups in a deep slumber. So get ready for some serious cooing as these puppies are sure to brighten your day. Pajamas or pyjamas, often shortened to PJs, jimmies, jimjams or jammies, can refer to several related types of clothing. Pajamas are loose-fitting garments derived from the original garment and worn chiefly for sleeping, but sometimes also for lounging, also by both sexes. More generally, pajamas may refer to several garments, for both daywear and nightwear, derived from traditional pajamas and involving variations of style and material. The word pyjama was borrowed from Urdu, itself borrowed from Persian. The original pyjamas are loose, lightweight trousers fitted with drawstring waistbands worn by Muslims in India and adopted by Europeans during East India Company rule in India. A puppy is a juvenile dog. Some puppies can weigh 0.45-1.36kg, while larger ones can weigh up to 6.8-10.4kg.