OPERATION

1. Types

1.1. peaceful

1.2. troubled

1.2.1. reasons

1.2.1.1. bad dreams

1.2.1.2. ate too much before sleeping

1.2.1.3. thinking too much

1.2.1.3.1. too many assignments

2. positions

2.1. curled on one side

2.2. face down

2.3. on the back

2.4. Sitting up

2.5. Standing up

2.6. with eyes open

3. complementary goods

3.1. bed frame

3.2. mattress

3.3. pillow

3.4. bolster

3.5. blanket

3.5.1. quilt

3.5.2. comforter

3.6. Mosquito Net

4. Places

4.1. Public Transport

4.1.1. bus

4.1.2. taxi

4.1.3. MRT

4.2. Home

4.3. Anywhere

4.3.1. Park

4.3.2. Under a bridge

4.3.3. On a bench

4.4. Private Transport

4.5. SCHOOL definitely

4.6. Hotels

5. habits

5.1. sleep walking

5.2. drooling

5.3. tossing and turning

5.4. Sleep talking

5.5. Grinding of teeth

5.6. Snoring