'I Can't Sleep' merupakan salah satu lagu yang dibawakan oleh Key SHINee di album solo keduanya yaitu 'Gasoline'. Berikut merupakan lirik dari lagu 'I Can't Sleep'.

Plackboda kkaman nae bang
gwireul mageun Earplug
uimi eopsneun andae sok
du nuneun kkamppagiji

Jamdeulji moshaneun bam
nungwa gwineun dadassjiman
chajaoneun burangwa
cheon gajiui japsaenggak

Insta sok sesangi gunggeumhaejyeoseo
gwaenhi tto Phoneeul kyeo
boda man tramaga aswiwojyeoseo
gwaenhi tto TVreul kyeo Cause

I can't sleep I can't sleep no more
siganeun beolsseo AM 4
bakkeun balkajyeo gado
allam eopsi I'm already awake

I can't sleep I can't sleep no more
museoun akmongirado bangawo
meorissogeun da Wasted
achimi eopsneun sesangeuro gajwo

I can't sleep yeah I can't sleep
I can't sleep no more
I can't sleep I can't sleep
I can't sleep no more

I can't sleep I can't sleep no more
museoun akmongirado bangawo
meorissogeun da Wasted
achimi eopsneun sesangeuro gajwo

Bang an gadeuk moningkol
banjjeum mom ireukigo
bulkeojin nun teum sairo
nunmul daesin Eyedrops
Feeling like a vampire
eojireopgedo ppareuge
doraganeun sesang
naegeman neuryeo

Sleeping pillt jal dewojin cha ttawiro
beoseonal sun eopseo Cause

I can't sleep I can't sleep no more
siganeun beolsseo AM 4
bakkeun balkajyeo gado
allam eopsi I'm already awake

I can't sleep I can't sleep no more
museoun akmongirado bangawo
meorissogeun da Wasted
achimi eopsneun sesangeuro gajwo

I can't sleep yeah I can't sleep
I can't sleep no more
I can't sleep
I can't sleep
I can't sleep no more

I can't sleep I can't sleep no more
museoun akmongirado bangawo
meorissogeun da Wasted
achimi eopsneun sesangeuro gajwo

Eojireophyeojin bangi singyeong sseuyeo
gwaenhi tto bureul kyeo
heulleo beorin sigani akkawoseo
bameul jisaewo nan

I can't sleep I can't sleep no more
siganeun beolsseo AM 4
bakkeun balkajyeo gado
allam eopsi I'm already awake

I can't sleep I can't sleep no more
museoun akmongirado bangawo
meorissogeun da Wasted
achimi eopsneun sesangeuro gajwo

I can't sleep yeah I can't sleep
I can't sleep no more
I can't sleep I can't sleep
I can't sleep no more

I can't sleep I can't sleep no more
museoun akmongirado bangawo
meorissogeun da Wasted
achimi eopsneun sesangeuro gajwo

I can't sleep I can't sleep no more
siganeun beolsseo AM 8 bakkeun balkajyeo gado
allam eopsi I'm already awake

I can't sleep I can't sleep no more
akmongirado kkumyeon johgesseo
meorissogeun da Wasted
achimboda bami oneun ge silheo