diff --git a/src/shared/fileio.c b/src/shared/fileio.c
index 77fd05955a..4e2b4442db 100644
--- a/src/shared/fileio.c
+++ b/src/shared/fileio.c
@@ -648,3 +648,37 @@ int executable_is_script(const char *path, char **interpreter) {
         *interpreter = ans;
         return 1;
 }
+
+/**
+ * Retrieve one field from a file like /proc/self/status.
+ * pattern should start with '\n' and end with ':'. Whitespace
+ * after ':' will be skipped. field must be freed afterwards.
+ */
+int get_status_field(const char *filename, const char *pattern, char **field) {
+        _cleanup_free_ char *status = NULL;
+        char *t;
+        size_t len;
+        int r;
+
+        assert(filename);
+        assert(field);
+
+        r = read_full_file(filename, &status, NULL);
+        if (r < 0)
+                return r;
+
+        t = strstr(status, pattern);
+        if (!t)
+                return -ENOENT;
+
+        t += strlen(pattern);
+        t += strspn(t, WHITESPACE);
+
+        len = strcspn(t, WHITESPACE);
+
+        *field = strndup(t, len);
+        if (!*field)
+                return -ENOMEM;
+
+        return 0;
+}
diff --git a/src/shared/fileio.h b/src/shared/fileio.h
index a0aae28bae..59e41502b1 100644
--- a/src/shared/fileio.h
+++ b/src/shared/fileio.h
@@ -37,3 +37,5 @@ int load_env_file(const char *fname, const char *separator, char ***l);
 int write_env_file(const char *fname, char **l);
 
 int executable_is_script(const char *path, char **interpreter);
+
+int get_status_field(const char *filename, const char *pattern, char **field);
diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c
index 87633e7816..f50777c58d 100644
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -201,7 +201,7 @@ static int output_short(
         assert(j);
 
         /* Set the threshold to one bigger than the actual print
-         * treshold, so that if the line is actually longer than what
+         * threshold, so that if the line is actually longer than what
          * we're willing to print, ellipsization will occur. This way
          * we won't output a misleading line without any indication of
          * truncation.
diff --git a/src/shared/sleep-config.c b/src/shared/sleep-config.c
index cd3238b405..5ec7cce458 100644
--- a/src/shared/sleep-config.c
+++ b/src/shared/sleep-config.c
@@ -163,6 +163,46 @@ int can_sleep_disk(char **types) {
         return false;
 }
 
+#define HIBERNATION_SWAP_THRESHOLD 0.98
+
+static bool enough_memory_for_hibernation(void) {
+        _cleanup_free_ char *active = NULL, *swapfree = NULL;
+        unsigned long long act, swap;
+        int r;
+
+        r = get_status_field("/proc/meminfo", "\nSwapFree:", &swapfree);
+        if (r < 0) {
+                log_error("Failed to retrieve SwapFree from /proc/meminfo: %s", strerror(-r));
+                return false;
+        }
+
+        r = safe_atollu(swapfree, &swap);
+        if (r < 0) {
+                log_error("Failed to parse SwapFree from /proc/meminfo: %s: %s",
+                          swapfree, strerror(-r));
+                return false;
+        }
+
+        r = get_status_field("/proc/meminfo", "\nActive(anon):", &active);
+        if (r < 0) {
+                log_error("Failed to retrieve Active(anon) from /proc/meminfo: %s", strerror(-r));
+                return false;
+        }
+
+        r = safe_atollu(active, &act);
+        if (r < 0) {
+                log_error("Failed to parse Active(anon) from /proc/meminfo: %s: %s",
+                          active, strerror(-r));
+                return false;
+        }
+
+        r = act <= swap * HIBERNATION_SWAP_THRESHOLD;
+        log_debug("Hibernation is %spossible, Active(anon)=%llu kB, SwapFree=%llu kB, threshold=%.2g%%",
+                  r ? "" : "im", act, swap, 100*HIBERNATION_SWAP_THRESHOLD);
+
+        return r;
+}
+
 int can_sleep(const char *verb) {
         _cleanup_strv_free_ char **modes = NULL, **states = NULL;
         int r;
@@ -175,5 +215,8 @@ int can_sleep(const char *verb) {
         if (r < 0)
                 return false;
 
-        return can_sleep_state(states) && can_sleep_disk(modes);
+        if (!can_sleep_state(states) || !can_sleep_disk(modes))
+                return false;
+
+        return streq(verb, "suspend") || enough_memory_for_hibernation();
 }
diff --git a/src/shared/util.c b/src/shared/util.c
index 9a075fa163..f6f3b18bfc 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -694,9 +694,6 @@ int is_kernel_thread(pid_t pid) {
 
 int get_process_capeff(pid_t pid, char **capeff) {
         const char *p;
-        _cleanup_free_ char *status = NULL;
-        char *t = NULL;
-        int r;
 
         assert(capeff);
         assert(pid >= 0);
@@ -706,25 +703,7 @@ int get_process_capeff(pid_t pid, char **capeff) {
         else
                 p = procfs_file_alloca(pid, "status");
 
-        r = read_full_file(p, &status, NULL);
-        if (r < 0)
-                return r;
-
-        t = strstr(status, "\nCapEff:\t");
-        if (!t)
-                return -ENOENT;
-
-        for (t += strlen("\nCapEff:\t"); t[0] == '0'; t++)
-                continue;
-
-        if (t[0] == '\n')
-                t--;
-
-        *capeff = strndup(t, strchr(t, '\n') - t);
-        if (!*capeff)
-                return -ENOMEM;
-
-        return 0;
+        return get_status_field(p, "\nCapEff:", capeff);
 }
 
 int get_process_exe(pid_t pid, char **name) {
diff --git a/src/test/test-fileio.c b/src/test/test-fileio.c
index 1184e7e02f..4a4ed79c11 100644
--- a/src/test/test-fileio.c
+++ b/src/test/test-fileio.c
@@ -229,9 +229,29 @@ static void test_executable_is_script(void) {
         unlink(t);
 }
 
+static void test_status_field(void) {
+        _cleanup_free_ char *t = NULL, *p = NULL, *s = NULL;
+        unsigned long long total, buffers;
+
+        assert_se(get_status_field("/proc/self/status", "\nThreads:", &t) == 0);
+        puts(t);
+        assert_se(streq(t, "1"));
+
+        assert_se(get_status_field("/proc/meminfo", "MemTotal:", &p) == 0);
+        puts(p);
+        assert_se(safe_atollu(p, &total) == 0);
+
+        assert_se(get_status_field("/proc/meminfo", "\nBuffers:", &s) == 0);
+        puts(s);
+        assert_se(safe_atollu(s, &buffers) == 0);
+
+        assert(buffers < total);
+}
+
 int main(int argc, char *argv[]) {
         test_parse_env_file();
         test_parse_multiline_env_file();
         test_executable_is_script();
+        test_status_field();
         return 0;
 }
diff --git a/src/test/test-sleep.c b/src/test/test-sleep.c
index c3cb9c531d..545dfab92c 100644
--- a/src/test/test-sleep.c
+++ b/src/test/test-sleep.c
@@ -40,14 +40,14 @@ int main(int argc, char* argv[]) {
                 **shutdown = strv_new("shutdown", NULL),
                 **freez = strv_new("freeze", NULL);
 
-        log_info("Can Standby: %s", yes_no(can_sleep_state(standby) > 0));
-        log_info("Can Suspend: %s", yes_no(can_sleep_state(mem) > 0));
-        log_info("Can Hibernate: %s", yes_no(can_sleep_state(disk) > 0));
-        log_info("Can Hibernate+Suspend (Hybrid-Sleep): %s", yes_no(can_sleep_disk(suspend) > 0));
-        log_info("Can Hibernate+Reboot: %s", yes_no(can_sleep_disk(reboot) > 0));
-        log_info("Can Hibernate+Platform: %s", yes_no(can_sleep_disk(platform) > 0));
-        log_info("Can Hibernate+Shutdown: %s", yes_no(can_sleep_disk(shutdown) > 0));
-        log_info("Can Freeze: %s", yes_no(can_sleep_disk(freez) > 0));
+        log_info("Standby configured: %s", yes_no(can_sleep_state(standby) > 0));
+        log_info("Suspend configured: %s", yes_no(can_sleep_state(mem) > 0));
+        log_info("Hibernate configured: %s", yes_no(can_sleep_state(disk) > 0));
+        log_info("Hibernate+Suspend (Hybrid-Sleep) configured: %s", yes_no(can_sleep_disk(suspend) > 0));
+        log_info("Hibernate+Reboot configured: %s", yes_no(can_sleep_disk(reboot) > 0));
+        log_info("Hibernate+Platform configured: %s", yes_no(can_sleep_disk(platform) > 0));
+        log_info("Hibernate+Shutdown configured: %s", yes_no(can_sleep_disk(shutdown) > 0));
+        log_info("Freeze configured: %s", yes_no(can_sleep_state(freez) > 0));
 
         log_info("Suspend configured and possible: %s", yes_no(can_sleep("suspend") > 0));
         log_info("Hibernation configured and possible: %s", yes_no(can_sleep("hibernate") > 0));