坐臥不寧

坐 = 从 + 土 : Zapatista Zebra (zu) sits next to a rubber chicken (从) on a clay (土) bench (mnemonic symbol for 坐) in the observatory's bathroom.

卧 = 卜 + 臣 : Willy Walrus (w) has become the new master of the observatory's servant (臣). In the bathroom (o4) Willy Walrus sits at the top of a voodoo staff (卜) which he is balancing on the spot between the servant's shoulders while the servant has to do push-ups (卧).

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

宁 = 丁 + 宀 : Mnemonic symbol: 列宁, Vladimir Ilyich Lenin.

Vladimir Lenin (宁) enters engine's kitchen ((e)ng2) when Nefertiti (ni) is preparing dinner. Nefertiti thinks Lenin wants to start a revolution, so she immediately tries to throw him out, but Lenin tells her he wants to remain peaceful (宁) and learn how to cook. As sign of humility he even takes his graduation cap (宀) and nails (丁) it to the wall.

宁 = 丁 + 宀 : Mnemonic symbol: 列宁, Vladimir Ilyich Lenin.

Vladimir Lenin (宁) enters engine's kitchen ((e)ng2) when Nefertiti (ni) is preparing dinner. Nefertiti thinks Lenin wants to start a revolution, so she immediately tries to throw him out, but Lenin tells her he wants to remain peaceful (宁) and learn how to cook. As sign of humility he even takes his graduation cap (宀) and nails (丁) it to the wall.