Now I feel lazy to meditate because less thoughts no breath to observe. once I observe the body ,it isn't disappears .experience the vibration of mind and feel there is a connection between brain and mind through blood.
In Buddhist meditation, the primary meditation object is 'letting go' (vossagga). The other things (breathing, feelings, etc) are just side-effects or 'signs'. For stream-enterers, letting-go (or little Nibbana) is the meditation object.
And what is the faculty of concentration? There is the case where a monk, a disciple of the noble ones, making it his object to let go (vossagga), attains concentration, attains singleness of mind. Quite withdrawn from sensuality, withdrawn from unskillful mental qualities, he enters & remains in the first jhana... SN 48.10
The Great Way is not difficult for those who have no preferences. When love and hate are both absent everything becomes clear and undisguised. Make the smallest distinction, however, and heaven and earth are set infinitely apart.
If you wish to see the truth then hold no opinions for or against anything. To set up what you like against what you dislike is the disease of the mind.
When the deep meaning of things is not understood the mind's essential peace is disturbed to no avail.
The Way is perfect like vast space where nothing is lacking and nothing is in excess.
Verses on the Faith Mind by Chien-chih Seng-ts'an Third Zen Patriarch [606AD]