Drowsy, sleepy.

Comfortable; quiet; peaceful

(Homonym: idle, idol).
1. Not in active use; SYN. unused.
2. Not in action or at work.
3. Not having a job; SYN. jobless, out of work.
4. Lacking a sense of restraint or responsibility; SYN. loose.
5. Silly or trivial; SYN. light.

ETYM Pref. in- not + Latin dolens, -entis, p. pr. of dolere to feel pain: cf. French indolent. Related to Dolorous.
(Pathology) Of tumors e.g.; slow to heal or develop and usually painless.

Moving slowly and gently

Sluggish; lazy; indolent; idle.
Inclined to sloth; indolent

Slovenly

Sluggardly

1. Averse to activity or exertion; indolent; also; torpid
2. Slow to respond (as to stimulation or treatment)
3. Markedly slow in movement, flow, or growth; economically inactive or slow
4. With little movement; very slow

ETYM Latin supinus, akin to sub under, super above. Related to Sub-, Super-.
Lying face upward; SYN. resupine.
Lying flat on back; sluggish; lazy.

Absent without permission; SYN. awol.