Depends on the vibe you want!. I do Bill Evans for sleepy jazz, Akira Kosemura for piano, and Timo Krantz or Miracle Tones for true meditative sleepy tones
if these don't make you nod off nothing will
Area 3 - Area 3
Otto Benson - Songs Before Bed
Hirotaka Shirotsubaki - Words That I Could Not Convey to You
Keith Fullerton Whitman - Playthroughs
Ashra - New Age of Earth
Josh Shpak - You Can Always Go Outside
Photay - On Hold
Stars of the Lid - The Tired Sounds of Stars of the Lid
Masakatsu Takagi - Marginalia III
'Dream and Reality' by Quintelium or 'Shyness' by chantssss
No lyrics, mostly legato - slowly pulled and stretched sounds, twinkling, padded synths, echoing horns, some arpeggiated moments, long sustained sounds, gentle piano patterns, wisping...
Theres a playlist on spotify called jazz in the background. I find it better than other jazz playlists. The feeling of waking up to soft calm music like that is unmatched. Try it sometime and let me know of any of ur favorite soft jazz playlists or albums! :)