In Hindu philosophy, Jagra is one of the four states of consciousness a man (or a being) can have. It can be roughly translated as 'wakefulness'. It is that part of consciousness when a person or being can sense this physical universe. Other states of consciousness are swapna

Swapna

Swapna is both a female name or a Hindu philosophy and discipline of dream, dreamwork and dreaming. Swapna in Hindu philosophy, a state of consciousness when a person is dreaming in sleep. At this state, he, she or it cannot perceive the external universe with the senses. It enjoys another...

, susupti and turiya

Turiya

In Hindu philosophy, turiya is the experience of pure consciousness. It is the background that underlies and transcends the three common states of consciousness: the state of waking consciousness , the state of dreaming , and dreamless sleep .-Advaita concept:The first two states are not true...

. Later commentators increased the states of consciousness from four to seven.