1. Without sleep; in a sleepless manner
   "he was lying in bed sleeplessly"

See also: sleepless

• Pterostylis
• pteroylglutamic acid
• pteroylmonoglutamic acid
• pterygium
• pterygoid muscle
• pterygoid plexus
• pterygoid process
• pteryla
• Ptilocercus
• Ptilocrinus
• Ptilonorhynchidae
• Ptilonorhynchus
• Ptilonorhynchus violaceus
• Ptloris
• Ptloris paradisea
• PTO
• Ptolemaic
• Ptolemaic dynasty
• Ptolemaic system
• Ptolemies
• Ptolemy
• Ptolemy I
• Ptolemy II
• ptomain
• ptomaine