This link has comprehensive bass tabs:
https://www.songsterr.com/a/wsa/sleep-holy-mountain-tab-s402757t2

[Verse 1]
Slumber killed by rays of the new red sun arising
Dreamer wakens to the spectral gaze of light rays shining
Black steed carries him across the astral sand
Rides alone is the man from the magic caravan

Eb|----------------------|----------------------|----------------------|--------------------|
Bb|----------------------|----------------------|----------------------|--------------------|
F |-5h7-7-7--------5h7-7-|-7--------5h7-7-5h7-7-|-5h7-7-7--------5h7-7-|-7------------------| x4
C |-----------0--0-------|-----0--0-------------|-----------0--0-------|-----0--0-6--6-5--0-|

[Bridge]
Eb|---------------|---------------|------------------|----------------------------|
Bb|---------------|---------------|------------------|----------------------------|
F |---------------|---------------|------------------|-12-11-10-12-11-10-12-11-10-| x4
C |-12---12---0---|-12---12---0---|-10h--12-12---0---|----------------------------|

[Verse 2]
I believe the signs of the reptile master
Sunbound spacepod rising faster
Earth drenched black under starless sky above
Man on the mountain sets free the holy dove

Eb|----------------------|----------------------|----------------------|--------------------|
Bb|----------------------|----------------------|----------------------|--------------------|
F |-5h7-7-7--------5h7-7-|-7--------5h7-7-5h7-7-|-5h7-7-7--------5h7-7-|-7------------------| x4
C |-----------0--0-------|-----0--0-------------|-----------0--0-------|-----0--0-6--6-5--0-|

[Chorus]
Look unto the rays of the new stoner sun rising
Sonic Titan rides out on clouds of new horizon
Look unto the rays of the new stoner sun rising
Sonic Titan rides out on clouds of new horizon

Eb|---------------------|---------------------|-------------------------|---------------------|
Bb|---------------------|---------------------|-------------------------|---------------------|
F |-5h7-7---7---5h7-5h7-|---5h7-5h7-----------|-5h7-7---5h7-5h7-5h7-5h7-|---5h7-5h7-----------| x4
C |-------0---0---------|-0---------0-6-5-3---|-------0-----------------|-0---------0-6-5-3---|

[Bridge]
Eb|---------------|---------------|------------------|----------------------------|
Bb|---------------|---------------|------------------|----------------------------|
F |---------------|---------------|------------------|-12-11-10-12-11-10-12-11-10-| x4
C |-12---12---0---|-12---12---0---|-10h--12-12---0---|----------------------------|

[Interlude and Guitar Solo]
Eb|---------------0------------|---------------------------|
Bb|-------------------0h2------|---------------------------|
F |---------0-1-2--------------|---------0-1---------------| x8
C |-0---3----------------------|-0---3-------0-3b---0------|

[Verse Riff]
Eb|----------------------|----------------------|----------------------|--------------------|
Bb|----------------------|----------------------|----------------------|--------------------|
F |-5h7-7-7--------5h7-7-|-7--------5h7-7-5h7-7-|-5h7-7-7--------5h7-7-|-7------------------| x4
C |-----------0--0-------|-----0--0-------------|-----------0--0-------|-----0--0-6--6-5--0-|

[Chorus]
Look unto the rays of the new stoner sun rising
Sonic Titan rides out on clouds of new horizon
Look unto the rays of the new stoner sun rising
Sonic Titan rides out on clouds of new horizon

Eb|---------------------|---------------------|-------------------------|---------------------|
Bb|---------------------|---------------------|-------------------------|---------------------|
F |-5h7-7---7---5h7-5h7-|---5h7-5h7-----------|-5h7-7---5h7-5h7-5h7-5h7-|---5h7-5h7-----------| x4
C |-------0---0---------|-0---------0-6-5-3---|-------0-----------------|-0---------0-6-5-3---|