A sleep apparatus includes: a mat main body portion configured to support a user in a supine state; and a tilting mechanism that, at the mat main body portion, periodically tilts a body of a user left and right, by alternately raising a right side supporting portion, which includes portions supporting a right-side hipbone and a right-side shoulder blade of a user, and a left side supporting portion, which includes portions supporting a left-side hipbone and a left-side shoulder blade of a user.

A sleep apparatus includes: a mat main body portion configured to support a user in a supine state; and a tilting mechanism that, at the mat main body portion, periodically tilts a body of a user left and right, by alternately raising a right side supporting portion, which includes portions supporting a right-side hipbone and a right-side shoulder blade of a user, and a left side supporting portion, which includes portions supporting a left-side hipbone and a left-side shoulder blade of a user.

A seat 100 moveable between a seat configuration and a bed configuration, the seat 100 comprising a squab 120 including upper and lower cushions 126, 124, a conversion mechanism configured to move the squab 120, for converting the seat 100 between the seat and bed configurations, and a backrest 122 connected to the squab 120 or conversion mechanism, for moving with the squab 120, the squab 120 being laterally displaceable by the conversion mechanism between a first position in the seat configuration and a second position in the bed configuration, and the backrest 122 being configured to occupy a space at an end of the squab 120 which is made available by lateral displacement of the squab 120 into the second position, and the upper cushion 126 of the squab 120 being movable relative to the lower cushion 124 for covering the backrest 122 in the bed configuration.

A sofa bed is configured to be switched between a sofa configuration and a bed configuration. The sofa bed includes a base frame, a middle frame rotatably coupled to the base frame, a seat-and-foot frame rotatably coupled to the middle frame, a back-and-head frame rotatably coupled to the base frame, and a spring coupled between at least two of the base frame, the middle frame, the seat-and-back frame, and the back-and-head frame.

A sofa bed is configured to be switched between a sofa configuration and a bed configuration. The sofa bed includes a base frame, a middle frame rotatably coupled to the base frame, a seat-and-foot frame rotatably coupled to the middle frame, a back-and-head frame rotatably coupled to the base frame, and a spring coupled between at least two of the base frame, the middle frame, the seat-and-back frame, and the back-and-head frame.

A convertible couch with concealed storage includes an upper seat back, a seat bottom adapted for sliding inwardly for a first mode and sliding outwardly for a second mode, and an articulating seat section between the upper seat back and the seat bottom. The articulating seat section converts between a lower seat back in the first mode and an inner seat bottom in the second mode. The first mode is adapted for seating and the second mode is adapted for lying and reclining. A storage location housing convenience features is located behind the articulating section, such that the storage location and convenience features are concealed in the first mode and accessible in the second mode.

A convertible couch with concealed storage includes an upper seat back, a seat bottom adapted for sliding inwardly for a first mode and sliding outwardly for a second mode, and an articulating seat section between the upper seat back and the seat bottom. The articulating seat section converts between a lower seat back in the first mode and an inner seat bottom in the second mode. The first mode is adapted for seating and the second mode is adapted for lying and reclining. A storage location housing convenience features is located behind the articulating section, such that the storage location and convenience features are concealed in the first mode and accessible in the second mode.

A sleep apparatus includes: a mat main body portion configured to support a user in a supine state; and a tilting mechanism that, at the mat main body portion, periodically tilts a body of a user left and right, by alternately raising a right side supporting portion, which includes portions supporting a right-side hipbone and a right-side shoulder blade of a user, and a left side supporting portion, which includes portions supporting a left-side hipbone and a left-side shoulder blade of a user.

A sleep apparatus includes: a mat main body portion configured to support a user in a supine state; and a tilting mechanism that, at the mat main body portion, periodically tilts a body of a user left and right, by alternately raising a right side supporting portion, which includes portions supporting a right-side hipbone and a right-side shoulder blade of a user, and a left side supporting portion, which includes portions supporting a left-side hipbone and a left-side shoulder blade of a user.

A seat 100 moveable between a seat configuration and a bed configuration, the seat 100 comprising a squab 120 including upper and lower cushions 126, 124, a conversion mechanism configured to move the squab 120, for converting the seat 100 between the seat and bed configurations, and a backrest 122 connected to the squab 120 or conversion mechanism, for moving with the squab 120, the squab 120 being laterally displaceable by the conversion mechanism between a first position in the seat configuration and a second position in the bed configuration, and the backrest 122 being configured to occupy a space at an end of the squab 120 which is made available by lateral displacement of the squab 120 into the second position, and the upper cushion 126 of the squab 120 being movable relative to the lower cushion 124 for covering the backrest 122 in the bed configuration.