Yoga - Sarpasanam - Snake position

As shown in the fig,

1. Lie down on your stomach with your hands clasped behind.
2. Inhaling, lift your head and chest while clasped behind.
3. While being in this position, make sure your knees don't touch the ground.
4. Now exhale air and turn your head left side and see the legs on the ground. 
5. While inhaling air, turn your head straight
6. Repeat this by turning your head right side also

Repeat this left and right side 4 times

Yoga - Shavasana - Relaxed position

As shown in the figure,

1. Lie back, keep some distance between legs and arms
2. Your palms should be facing upside, body should be in relaxed position
3. Now inhale air, hold for couple of secs and exhale air slowly taking double the time you took for inhaling
4. While inhaling, take full air and fill stomach with air and while exhaling, remove all the air from the body including lungs.

Do this 4 times

Yoga - Yastikasana - for resting

As shown in the fig,

1. Lie on the back. Extend legs fully,
2. Inhale some air and stretch arms on the head side
3. Stretch toes and fingers outwards.
4. Lie in this position for 3 seconds.Then leave the inhaled air and relax your arms and stretched toes

Do this 3 times