A sleep pillow structure includes a posture-sensing and commanding device, a signal-receiving and inflating-deflating control unit, and a height control unit. The height control unit includes an air pump, a vent valve, pipes, and a lifting device. The posture-sensing and commanding device is installed on a human body to detect the human body's sleep posture, and to send a signal about the human body's sleep posture to the sleep pillow in a wired or wireless manner, such that the height control unit automatically adjusts the height of the sleep pillow to adapt to a user's sleep posture.

A cushion includes a cushion core, adopting blasted sponge, and the cushion core comprising a main bearing area and an auxiliary bearing area; an outer cover layer, wrapping an outer layer of the cushion core, and the outer cover layer adopting a fiber material which is of a reticular structure; and a reinforcing skeleton comprising a plurality of bone bridges, and each bone bridge comprising an arch base and an arch bridge. For each bone bridge, the arch base is located at two side-by-side corners of one side of the cushion core, and is close to one side of the main bearing area; one end of the arch bridge is connected to the arch base, and the other end of the arch bridge extends to a diagonal opposite corner of the other side of the cushion core, and is close to one side of the auxiliary bearing area.

A comfort positioning pillow for use with a user's foot is provided. The pillow includes a first side surface; a second side surface; a flat front surface disposed between the first and second side surfaces; a flat back surface disposed between the first and second side surfaces, wherein the flat back surface is positioned at an angle relative to the flat front surface; a top surface disposed between the first and second side surfaces, wherein the top surface is convex-shaped; and a bottom surface disposed between the first and second side surfaces, and disposed between the flat front surface and the flat back surface. One or more methods of using the pillow are also provided.

A support pillow assembly includes a body having a first portion and a second portion. The first portion may include a first recess and/or a first channel. The first channel may extend from a top of the first recess. The second portion may include a second recess and/or a second channel. The second channel may extend from a top of the second recess. The body may include a curved configuration. The body may include a semispherical configuration. The first recess and/or the second recess may be substantially circular. The first channel and/or the second channel may be substantially rectangular. The first recess and/or the second recess may be configured to at least partially receive a first ear cup and/or a second ear cup of the pair of over-ear headphones, respectively.

A position adjustment mechanism for a lifting balance device contains: a first cover and an adjustment device. The first cover includes at least one lifting balance device, and each of the at least one lifting balance device includes a first support, a second support intersected with the first support, and a first shaft configured to connected the first and second supports. The first support includes a first roller arranged on a first end thereof adjacent to the first cover and accommodated in a first track groove on the first cover. The first track groove has the adjustment device arranged therein opposite to the first roller, such that the adjustment device is adjustable to limit a highest lifting position of each of the first support and the second support.

A position adjustment mechanism for a lifting balance device contains: a first cover and an adjustment device. The first cover includes at least one lifting balance device, and each of the at least one lifting balance device includes a first support, a second support intersected with the first support, and a shaft configured to connected the first and second supports. The adjustment device is located bellow the shaft. The adjustment device is fixed inside the first cover, the first cover has a first opening located below the shaft. A threaded sleeve is connected with the first opening and is screwed with a threaded tube, such that the threaded tube is adjustably moved relative to the threaded sleeve so as to change a position of a top of the threaded tube and to limit a lowest descending position of each of the first support and the second support.

A dynamic headset system is provided. The dynamic headset system includes a head cradle configured to receive a head of a subject and having a bottom surface configured to face a platform on which the dynamic headset apparatus is placed. The dynamic headset system further includes a device including an instrument adjacent to the head of the subject when the head of the subject is in the head cradle.

Embodiments of cradle frames and cushions are described herein. A cradle frame includes a connection assembly, a support assembly, and a gear assembly. The connection assembly is configured to couple the cradle frame to a structure. The support assembly includes two side sections, and a middle section that is curved and positioned substantially between the two side sections. The gear assembly is coupled to the adjustment assembly for controlling the positioning of the support assembly. A cushion has a contoured upper side, and one or more opening in the middle part of the cushion on the underside.

A pillow including a percussion assembly, a padding material, and a pillow cover configured to enclose the percussion assembly and the padding. The percussion assembly is configured to articulate causing the pillow padding and pillow cover to expand and contract.

Embodiments of cradle frames and cushions are described herein. A cradle frame includes a connection assembly, a support assembly, an adjustment assembly, and a gear assembly. The connection assembly is configured to couple the cradle frame to a structure. The support assembly includes two side sections, and a middle section that is curved downward and positioned substantially between the two side sections. The adjustment assembly is coupled to the support assembly for adjusting the positioning of the support assembly. The gear assembly is coupled to the adjustment assembly for controlling the positioning of the support assembly. A cushion has a contoured upper side, and one or more opening in the middle part of the cushion on the underside.