oきるkiru
1.

To transition from a horizontal or lying position to an upright or standing position, often after resting or being inactive.

2.

To awake from sleep, indicating a shift from a state of rest to a state of alertness and activity.

3.

To experience an awakening or realization, metaphorically indicating the beginning of awareness or consciousness in a person.

4.

To remain awake during the night, indicating prolonged alertness and activity beyond usual sleeping hours.

5.

To occur or happen, often referring to incidents or events emerging or arising in a specific context or situation.

Example:

6時ごろ起きた。

tobioきるkiru
1.

To spring up from a lying position with sudden energy, especially in response to a surprising event.

2.

To awaken abruptly and rise energetically, often due to a jolt or shock.

3.

To quickly get up after resting or sleeping, characterized by a sense of urgency or alarm.

Example:

ベルが鳴るとジョンはすぐさま飛び起きた。